Gemma E. Veitch؛ Edith Beckmann؛ Brenda J. Burke؛ Alistair Boyer؛ Sarah L. Maslen؛ Steven V. Ley (2007). "Synthesis of Azadirachtin: A Long but Successful Journey". Angewandte Chemie International Edition. ج. 46 ع. 40: 7629–32. DOI:10.1002/anie.200703027. PMID:17665403.
M. A. Fedonkin؛ A. Simonetta؛ A. Y. Ivantsov (2007). "New data on Kimberella, the Vendian mollusk-like organism (White sea region, Russia): palaeoecological and evolutionary implications". في Patricia Vickers-Rich & Patricia (المحرر). The Rise and Fall of the Ediacaran Biota. Geological Society of London, Special Publications. London: Geological Society. ج. 286. ص. 157–179. Bibcode:2007GSLSP.286..157F. DOI:10.1144/SP286.12. ISBN:978-1-86239-233-5. OCLC:191881597. S2CID:331187.
M. A. Fedonkin؛ A. Simonetta؛ A. Y. Ivantsov (2007). "New data on Kimberella, the Vendian mollusk-like organism (White sea region, Russia): palaeoecological and evolutionary implications". في Patricia Vickers-Rich & Patricia (المحرر). The Rise and Fall of the Ediacaran Biota. Geological Society of London, Special Publications. London: Geological Society. ج. 286. ص. 157–179. Bibcode:2007GSLSP.286..157F. DOI:10.1144/SP286.12. ISBN:978-1-86239-233-5. OCLC:191881597. S2CID:331187.
Gemma E. Veitch؛ Edith Beckmann؛ Brenda J. Burke؛ Alistair Boyer؛ Sarah L. Maslen؛ Steven V. Ley (2007). "Synthesis of Azadirachtin: A Long but Successful Journey". Angewandte Chemie International Edition. ج. 46 ع. 40: 7629–32. DOI:10.1002/anie.200703027. PMID:17665403.
S. Bengtson (2004). "Early skeletal fossils"(PDF). في J. H. Lipps؛ B. M. Waggoner (المحررون). Neoproterozoic–Cambrian Biological Revolutions. Paleontological Society Papers. ج. 10. ص. 67–78. مؤرشف من الأصل(PDF) في 2008-10-03.
M. A. Fedonkin؛ A. Simonetta؛ A. Y. Ivantsov (2007). "New data on Kimberella, the Vendian mollusk-like organism (White sea region, Russia): palaeoecological and evolutionary implications". في Patricia Vickers-Rich & Patricia (المحرر). The Rise and Fall of the Ediacaran Biota. Geological Society of London, Special Publications. London: Geological Society. ج. 286. ص. 157–179. Bibcode:2007GSLSP.286..157F. DOI:10.1144/SP286.12. ISBN:978-1-86239-233-5. OCLC:191881597. S2CID:331187.
tufts.edu
perseus.tufts.edu
Liddell، Henry George؛ Scott، Robert (1940). "σκελετός". A Greek-English Lexicon. Perseus Digital Library.
web.archive.org
S. Bengtson (2004). "Early skeletal fossils"(PDF). في J. H. Lipps؛ B. M. Waggoner (المحررون). Neoproterozoic–Cambrian Biological Revolutions. Paleontological Society Papers. ج. 10. ص. 67–78. مؤرشف من الأصل(PDF) في 2008-10-03.
M. A. Fedonkin؛ A. Simonetta؛ A. Y. Ivantsov (2007). "New data on Kimberella, the Vendian mollusk-like organism (White sea region, Russia): palaeoecological and evolutionary implications". في Patricia Vickers-Rich & Patricia (المحرر). The Rise and Fall of the Ediacaran Biota. Geological Society of London, Special Publications. London: Geological Society. ج. 286. ص. 157–179. Bibcode:2007GSLSP.286..157F. DOI:10.1144/SP286.12. ISBN:978-1-86239-233-5. OCLC:191881597. S2CID:331187.