Smith 1996 quoted in Kraas, Frauke (2008). "Megacities as Global Risk Areas". In Marzluff, John (ed.). Urban Ecology: An International Perspective on the Interaction Between Humans and Nature (illustrated ed.). Springer Science & Business Media. p. 588. ISBN9780387734125. Retrieved 23 August 2017.
L. Bull-Kamanga; K. Diagne; A. Lavell; E. Leon; F. Lerise; H. MacGregor; A. Maskrey; M. Meshack; M. Pelling (1 April 2003). "From everyday hazards to disasters: the accumulation of risk in urban areas". Environment and Urbanization. 15 (1): 193–204. Bibcode:2003EnUrb..15..193B. doi:10.1177/095624780301500109. ISSN0956-2478. S2CID17439273.
L. Bull-Kamanga; K. Diagne; A. Lavell; E. Leon; F. Lerise; H. MacGregor; A. Maskrey; M. Meshack; M. Pelling (1 April 2003). "From everyday hazards to disasters: the accumulation of risk in urban areas". Environment and Urbanization. 15 (1): 193–204. Bibcode:2003EnUrb..15..193B. doi:10.1177/095624780301500109. ISSN0956-2478. S2CID17439273.
L. Bull-Kamanga; K. Diagne; A. Lavell; E. Leon; F. Lerise; H. MacGregor; A. Maskrey; M. Meshack; M. Pelling (1 April 2003). "From everyday hazards to disasters: the accumulation of risk in urban areas". Environment and Urbanization. 15 (1): 193–204. Bibcode:2003EnUrb..15..193B. doi:10.1177/095624780301500109. ISSN0956-2478. S2CID17439273.
"Disasters & Emergencies: Definitions"(PDF). Addis Ababa: Emergency Humanitarian Action. March 2002. Archived(PDF) from the original on 6 November 2015. Retrieved 26 November 2017 – via World Health Organization International.
"Disasters & Emergencies: Definitions"(PDF). Addis Ababa: Emergency Humanitarian Action. March 2002. Archived(PDF) from the original on 6 November 2015. Retrieved 26 November 2017 – via World Health Organization International.
L. Bull-Kamanga; K. Diagne; A. Lavell; E. Leon; F. Lerise; H. MacGregor; A. Maskrey; M. Meshack; M. Pelling (1 April 2003). "From everyday hazards to disasters: the accumulation of risk in urban areas". Environment and Urbanization. 15 (1): 193–204. Bibcode:2003EnUrb..15..193B. doi:10.1177/095624780301500109. ISSN0956-2478. S2CID17439273.