I = PAT
“A Bulletin Dialogue: on "The Closing Circle" - Response”. Bulletin of the Atomic Scientists 28 (5): 17, 42–56. doi:10.1080/00963402.1972.11457931. https://books.google.com/books?id=pwsAAAAAMBAJ&pg=PA17. —— Ehrlich, P.R.; Holdren, J.P (May 1972). “A Bulletin Dialogue: on "The Closing Circle" - Critique”. Bulletin of the Atomic Scientists 28 (5): 16, 18–27. doi:10.1080/00963402.1972.11457930. https://books.google.com/books?id=pwsAAAAAMBAJ&pg=PA16.
↑ Chertow, M. R. (2000). “The IPAT Equation and Its Variants”. Journal of Industrial Ecology 4 (4): 13–29. doi:10.1162/10881980052541927.
↑ R Bailey (2000) Earth day then and now, Reason 32(1), 18-28
↑ “Population Prospects 2017”. 2018年7月17日閲覧。
環境ポータル
↑ O'Neill, B.C.; MacKellar, F.L.; Lutz, W. (2004). “Population, greenhouse gas emissions, and climate change”. In Lutz, W.; Sanderson, W.C.; Scherbov, S.. The End of World Population Growth in the 21st Century: New Challenges for Human Capital Formation & Sustainable Development. London: Earthscan Press. pp. 283–314
↑ Ehrlich, Paul R.; Holdren, John P. (1971). “Impact of Population Growth”. Science (American Association for the Advancement of Science) 171 (3977): 1212–1217. Bibcode: 1971Sci...171.1212E. doi:10.1126/science.171.3977.1212. JSTOR 1731166. PMID 5545198.
↑ Chertow, Marian (2001). “The IPAT Equation and Its Variants”. Changing Views of Technology and Environmental Impact.
↑ Barry Commoner (May 1972).