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Davis DL, Gottlieb MB, Stampnitzky JR (April 1998). "Reduced ratio of male to female births in several industrial countries: a sentinel health indicator?". JAMA. 279 (13): 1018–1023. doi:10.1001/jama.279.13.1018. PMID9533502.
Orians GH, Milewski AV (August 2007). "Ecology of Australia: the effects of nutrient-poor soils and intense fires". Biological Reviews of the Cambridge Philosophical Society. 82 (3): 393–423. doi:10.1111/j.1469-185x.2007.00017.x. PMID17624961. S2CID39566226.
Pike TW, Petrie M (October 2005). "Maternal body condition and plasma hormones affect offspring sex ration in peafowl". Animal Behaviour. 70 (4): 745–51. doi:10.1016/j.anbehav.2004.12.020. S2CID53185717.
Doerr ED, Doerr VA (2006). "Comparative demography of treecreepers: evaluating hypotheses for the evolution and maintenance of cooperative breeding". Animal Behaviour. 72 (1): 147–159. doi:10.1016/j.anbehav.2005.10.017. S2CID53165151.
Orians GH, Milewski AV (August 2007). "Ecology of Australia: the effects of nutrient-poor soils and intense fires". Biological Reviews of the Cambridge Philosophical Society. 82 (3): 393–423. doi:10.1111/j.1469-185x.2007.00017.x. PMID17624961. S2CID39566226.