Coltan (English Wikipedia)

Diemel, J.A. (12 February 2018). "Authority and access to the cassiterite and coltan trade in Bukama Territory (DRC)". The Extractive Industries and Society. 5 (1): 56–65. Bibcode:2018ExIS....5...56D. doi:10.1016/j.exis.2017.12.001.
Mustapha, A. O.; Mbuzukongira, P.; Mangala, M. J. (25 May 2007), "Occupational radiation exposures of artisans mining columbite–tantalite in the eastern Democratic Republic of Congo", Journal of Radiological Protection, 27 (2), IOP Publishing Ltd: 187–95, Bibcode:2007JRP....27..187M, doi:10.1088/0952-4746/27/2/005, PMID 17664663, S2CID 1473788
Plumptre, AJ; Nixon, S; Kujirakwinja, DK; Vieilledent, G; Critchlow, R; Williamson, EA; Nishuli, R; Kirkby, AE; Hall, JS (2016). "Catastrophic Decline of World's Largest Primate: 80% Loss of Grauer's Gorilla (Gorilla beringei graueri) Population Justifies Critically Endangered Status". PLOS ONE. 11 (10) e0162697. Bibcode:2016PLoSO..1162697P. doi:10.1371/journal.pone.0162697. PMC 5070872. PMID 27760201.
Leon-Kabamba N, Ngatu NR, Kakoma SJ, Nyembo C, Mbelambela EP, Moribe RJ, Wembonyama S, Danuser B, Oscar-Luboya N (October 2018). "Respiratory health of dust-exposed Congolese coltan miners". Int Arch Occup Environ Health. 91 (7): 859–864. Bibcode:2018IAOEH..91..859L. doi:10.1007/s00420-018-1329-0. PMID 29951778. S2CID 49481027.

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Michael Nest (2013). Coltan. John Wiley & Sons. p. 1990. ISBN 978-0-7456-3771-6 – via Google Books.
Cobalt monograph, Centre d'information du cobalt, Battelle Memorial Institute, 1960
Dennis, W. H., Metallurgy 1863-1963, Centre d'information du cobalt, Battelle Memorial Institute, 2010 ISBN 1412843650
Taylor and Goldsmith, Andrea and Michele (December 2002). Gorilla Biology: A Multidisciplinary Perspective. ISBN 978-0-521-79281-3. Retrieved 19 November 2010.

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Ewan Sutherland (11 April 2011). Coltan, the Congo and your cell phone: The connection between your mobile phone and human rights abuses in Africa (Report). Massachusetts Institute of Technology. p. 6. SSRN 1752822. affiliated with Research Associate, CRIDS, University of Namur1 and University of the Witwatersrand.

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Diemel, J.A. (12 February 2018). "Authority and access to the cassiterite and coltan trade in Bukama Territory (DRC)". The Extractive Industries and Society. 5 (1): 56–65. Bibcode:2018ExIS....5...56D. doi:10.1016/j.exis.2017.12.001.
Taka, Miho (2010). "Coltan mining and conflict in the eastern Democratic Republic of Congo (DRC)". In McIntosh, Malcolm; Hunter, Alan (eds.). New Perspectives on Human Security. Routledge. doi:10.4324/9781351278805-10. ISBN 978-1-906093-41-9.
Mantz, J. W (2008). "Improvisational economies: Coltan production in the eastern Congo". Social Anthropology. 16 (1): 34–50. doi:10.1111/j.1469-8676.2008.00035.x.
Smith, James H. (1 February 2011). "Tantalus in the Digital Age: Coltan ore, temporal dispossession, and "movement" in the Eastern Democratic Republic of the Congo". American Ethnologist. 38 (1): 17–35. doi:10.1111/j.1548-1425.2010.01289.x.
Mustapha, A. O.; Mbuzukongira, P.; Mangala, M. J. (25 May 2007), "Occupational radiation exposures of artisans mining columbite–tantalite in the eastern Democratic Republic of Congo", Journal of Radiological Protection, 27 (2), IOP Publishing Ltd: 187–95, Bibcode:2007JRP....27..187M, doi:10.1088/0952-4746/27/2/005, PMID 17664663, S2CID 1473788
Plumptre, AJ; Nixon, S; Kujirakwinja, DK; Vieilledent, G; Critchlow, R; Williamson, EA; Nishuli, R; Kirkby, AE; Hall, JS (2016). "Catastrophic Decline of World's Largest Primate: 80% Loss of Grauer's Gorilla (Gorilla beringei graueri) Population Justifies Critically Endangered Status". PLOS ONE. 11 (10) e0162697. Bibcode:2016PLoSO..1162697P. doi:10.1371/journal.pone.0162697. PMC 5070872. PMID 27760201.
Charlotte Spira; Andrew Kirkby; Deo Kujirakwinja; Andrew J. Plumptre (11 April 2017). "The socio-economics of artisanal mining and bushmeat hunting around protected areas: Kahuzi–Biega National Park and Itombwe Nature Reserve, eastern Democratic Republic of Congo". Oryx. 53 (1): 136–144. doi:10.1017/S003060531600171X.
Leon-Kabamba N, Ngatu NR, Kakoma SJ, Nyembo C, Mbelambela EP, Moribe RJ, Wembonyama S, Danuser B, Oscar-Luboya N (October 2018). "Respiratory health of dust-exposed Congolese coltan miners". Int Arch Occup Environ Health. 91 (7): 859–864. Bibcode:2018IAOEH..91..859L. doi:10.1007/s00420-018-1329-0. PMID 29951778. S2CID 49481027.

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-- on request for their source the GAO gave the Global Witness report "Under-Mining Peace: Tin - the Explosive Trade in Cassiterite in Eastern DRC" 30 June 2005 ^{[permanent dead link]}

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pubmed.ncbi.nlm.nih.gov

Mustapha, A. O.; Mbuzukongira, P.; Mangala, M. J. (25 May 2007), "Occupational radiation exposures of artisans mining columbite–tantalite in the eastern Democratic Republic of Congo", Journal of Radiological Protection, 27 (2), IOP Publishing Ltd: 187–95, Bibcode:2007JRP....27..187M, doi:10.1088/0952-4746/27/2/005, PMID 17664663, S2CID 1473788
Plumptre, AJ; Nixon, S; Kujirakwinja, DK; Vieilledent, G; Critchlow, R; Williamson, EA; Nishuli, R; Kirkby, AE; Hall, JS (2016). "Catastrophic Decline of World's Largest Primate: 80% Loss of Grauer's Gorilla (Gorilla beringei graueri) Population Justifies Critically Endangered Status". PLOS ONE. 11 (10) e0162697. Bibcode:2016PLoSO..1162697P. doi:10.1371/journal.pone.0162697. PMC 5070872. PMID 27760201.
Leon-Kabamba N, Ngatu NR, Kakoma SJ, Nyembo C, Mbelambela EP, Moribe RJ, Wembonyama S, Danuser B, Oscar-Luboya N (October 2018). "Respiratory health of dust-exposed Congolese coltan miners". Int Arch Occup Environ Health. 91 (7): 859–864. Bibcode:2018IAOEH..91..859L. doi:10.1007/s00420-018-1329-0. PMID 29951778. S2CID 49481027.

ncbi.nlm.nih.gov

Plumptre, AJ; Nixon, S; Kujirakwinja, DK; Vieilledent, G; Critchlow, R; Williamson, EA; Nishuli, R; Kirkby, AE; Hall, JS (2016). "Catastrophic Decline of World's Largest Primate: 80% Loss of Grauer's Gorilla (Gorilla beringei graueri) Population Justifies Critically Endangered Status". PLOS ONE. 11 (10) e0162697. Bibcode:2016PLoSO..1162697P. doi:10.1371/journal.pone.0162697. PMC 5070872. PMID 27760201.

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"Carteles mexicanos estarían detrás de coltán incautado en Colombia: Una alianza entre capos de ese país y grupos ilegales de nuestro país estaría explotando el mineral que es sacado hacia Brasil" [Mexican cartels said to be behind Coltan seizure in Columbia: An alliance between capos of that country and illegal groups of our country said to be exploiting the ore that is taken to Brazil.]. Semana (in Spanish). 13 September 2012.
"Estrella fluvial de Inírida un paraíso amenazado por la minería" [Inírida fluvial star, a paradise threatened by mining]. Semana (in Spanish).
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Mustapha, A. O.; Mbuzukongira, P.; Mangala, M. J. (25 May 2007), "Occupational radiation exposures of artisans mining columbite–tantalite in the eastern Democratic Republic of Congo", Journal of Radiological Protection, 27 (2), IOP Publishing Ltd: 187–95, Bibcode:2007JRP....27..187M, doi:10.1088/0952-4746/27/2/005, PMID 17664663, S2CID 1473788
Leon-Kabamba N, Ngatu NR, Kakoma SJ, Nyembo C, Mbelambela EP, Moribe RJ, Wembonyama S, Danuser B, Oscar-Luboya N (October 2018). "Respiratory health of dust-exposed Congolese coltan miners". Int Arch Occup Environ Health. 91 (7): 859–864. Bibcode:2018IAOEH..91..859L. doi:10.1007/s00420-018-1329-0. PMID 29951778. S2CID 49481027.

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Ewan Sutherland (11 April 2011). Coltan, the Congo and your cell phone: The connection between your mobile phone and human rights abuses in Africa (Report). Massachusetts Institute of Technology. p. 6. SSRN 1752822. affiliated with Research Associate, CRIDS, University of Namur1 and University of the Witwatersrand.

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Ewan Sutherland (11 April 2011). Coltan, the Congo and your cell phone: The connection between your mobile phone and human rights abuses in Africa (Report). Massachusetts Institute of Technology. p. 6. SSRN 1752822. affiliated with Research Associate, CRIDS, University of Namur1 and University of the Witwatersrand.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

"One of the world's rarest apes faces extinction". Veld & Flora. 103 (4): 150. January 2018. hdl:10520/EJC-c236ee9d4. ISSN 0042-3203.

Coltan (English Wikipedia)

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telegraph.co.uk (Global: 40th place; English: 27th place)

theweek.co.uk (Global: 9,335th place; English: 6,276th place)

thewest.com.au (Global: 2,772nd place; English: 1,321st place)

un.org (Global: 117th place; English: 160th place)

usgs.gov (Global: 119th place; English: 145th place)

minerals.usgs.gov

vice.com (Global: 247th place; English: 175th place)

web.archive.org (Global: 1st place; English: 1st place)

wired.com (Global: 254th place; English: 178th place)

wits.ac.za (Global: low place; English: 5,931st place)

link.wits.ac.za

worldcat.org (Global: 4th place; English: 4th place)

search.worldcat.org

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

bbc.co.uk (Global: 11^th place; English: 10^th place)

bgs.ac.uk (Global: 6,674^th place; English: 4,023^rd place)

boeing.com (Global: 1,664^th place; English: 1,611^th place)

books.google.com (Global: 3^rd place; English: 3^rd place)

businesswire.com (Global: 828^th place; English: 485^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

elespectador.com (Global: 1,497^th place; English: 2,919^th place)

gao.gov (Global: 3,529^th place; English: 2,046^th place)

hdl.handle.net (Global: 66^th place; English: 34^th place)

icij.org (Global: 5,651^st place; English: 4,218^th place)

insightcrime.org (Global: 4,032^nd place; English: 3,071^st place)

linkedin.com (Global: 713^th place; English: 549^th place)

newsday.co.tt (Global: 7,194^th place; English: 4,060^th place)

newvision.co.ug (Global: 3,093^rd place; English: 1,741^st place)

nih.gov (Global: 5^th place; English: 5^th place)

npr.org (Global: 114^th place; English: 75^th place)

nrcan.gc.ca (Global: 1,817^th place; English: 946^th place)

nytimes.com (Global: 7^th place; English: 7^th place)

reuters.com (Global: 38^th place; English: 30^th place)

semana.com (Global: 1,783^rd place; English: 3,439^th place)

semanticscholar.org (Global: 15^th place; English: 8^th place)

ssrn.com (Global: 907^th place; English: 529^th place)

taylorfrancis.com (Global: 1,902^nd place; English: 1,063^rd place)

telegraph.co.uk (Global: 40^th place; English: 27^th place)

theweek.co.uk (Global: 9,335^th place; English: 6,276^th place)

thewest.com.au (Global: 2,772^nd place; English: 1,321^st place)

un.org (Global: 117^th place; English: 160^th place)

usgs.gov (Global: 119^th place; English: 145^th place)

vice.com (Global: 247^th place; English: 175^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

wired.com (Global: 254^th place; English: 178^th place)

wits.ac.za (Global: low place; English: 5,931^st place)

worldcat.org (Global: 4^th place; English: 4^th place)