Catastrophes and Lesser Calamities:The causes of mass extinctions, Tony Hallam, pp. 188, Oxford University Press, 2005, ISBN 978-0-19-280668-0, ... Radiocarbon dates indicate that the moas became extinct within about 500 years of the first arrival of humans. There can thus be no reasonable doubt that the moa mass extinction was the result of human activity ...
doi.org
dx.doi.org
Johnson, C. N. (2002-09-23). "Determinants of Loss of Mammal Species during the Late Quaternary 'Megafauna' Extinctions: Life History and Ecology, but Not Body Size". Proceedings of the Royal Society of London B (The Royal Society) 269 (1506): 2221–2227 (see p. 2225). doi:10.1098/rspb.2002.2130. JSTOR 3558643Archived 2016-03-21 at the वेबैक मशीन
jstor.org
Johnson, C. N. (2002-09-23). "Determinants of Loss of Mammal Species during the Late Quaternary 'Megafauna' Extinctions: Life History and Ecology, but Not Body Size". Proceedings of the Royal Society of London B (The Royal Society) 269 (1506): 2221–2227 (see p. 2225). doi:10.1098/rspb.2002.2130. JSTOR 3558643Archived 2016-03-21 at the वेबैक मशीन
web.archive.org
Johnson, C. N. (2002-09-23). "Determinants of Loss of Mammal Species during the Late Quaternary 'Megafauna' Extinctions: Life History and Ecology, but Not Body Size". Proceedings of the Royal Society of London B (The Royal Society) 269 (1506): 2221–2227 (see p. 2225). doi:10.1098/rspb.2002.2130. JSTOR 3558643Archived 2016-03-21 at the वेबैक मशीन
worldcat.org
Martin, P. S.; Steadman, D. W. (1999-06-30). "Prehistoric extinctions on islands and continents". In MacPhee, R. D. E. Extinctions in near time: causes, contexts and consequences. Advances in Vertebrate Paleontology. 2. New York: Kluwer/Plenum. pp. 17–56. ISBN 978-0-306-46092-0. OCLC 41368299. Retrieved 2011-08-23