Leckie, R. Mark; Bralower, Timothy J.; Cashman, Richard «Oceanic anoxic events and plankton evolution: Biotic response to tectonic forcing during the mid-Cretaceous: OCEANIC ANOXIC EVENTS AND PLANKTON EVOLUTION». Paleoceanography and Paleoclimatology, vol. 17, 3, 9-2002, pàg. 13–1–13–29. DOI: 10.1029/2001PA000623.
Berner, R, et al., 2003, Phanerozoic atmospheric oxygen, Annu. Rev. Earth Planet. Sci., V, 31, p. 105–34. Vegeu el gràfic a prop de la part inferior de la pàgina web Phanerozoic EonArxivat 27 April 2013 a Wayback Machine.
Berner R. A. 2006 GEOCARBSULF: a combined model for Phanerozoic atmospheric O2 and CO2. Geochim. Cosmochim. Acta 70, 5653–64. Vegeu la línia de punts a la figura 1 d'Atmospheric oxygen level and the evolution of insect body size per Jon F. Harrison, Alexander Kaiser i John M. VandenBrooks
Berner R. A., Canfield D. E. 1989 A new model for atmospheric oxygen over phanerozoic time. Am. J. Sci. 289, 333–61. Vegeu la línia sòlida a la figura 1 d'Atmospheric oxygen level and the evolution of insect body size per Jon F. Harrison, Alexander Kaiser i John M. VandenBrooks
Bergman N. M., Lenton T. M., Watson A. J. 2004 COPSE: a new model of biogeochemical cycling over Phanaerozoic time. Am. J. Sci. 304, 397–437. Vegeu la línia discontínua a la figura 1 d'Atmospheric oxygen level and the evolution of insect body size per Jon F. Harrison, Alexander Kaiser i John M. VandenBrooks
science.org
Robert A. Berner, John M. VandenBrooks and Peter D. Ward, 2007, Oxygen and Evolution. Science 27 abril 2007, Vol. 316 no. 5824 pp. 557–58.
Berner, R, et al., 2003, Phanerozoic atmospheric oxygen, Annu. Rev. Earth Planet. Sci., V, 31, p. 105–34. Vegeu el gràfic a prop de la part inferior de la pàgina web Phanerozoic EonArxivat 27 April 2013 a Wayback Machine.