Sandy J. Andelman (June 1987). "Evolution of Concealed Ovulation in Vervet Monkeys (Cercopithecus aethiops)". The American Naturalist. 129 (6): 785–799. doi:10.1086/284675.
S.C. Roberts; J. Havlicek; J. Flegr; M. Hruskova; A.C. Little; B.C. Jones; D.I. Perrett; M. Petrie (August 2004). "Female facial attractiveness increases during the fertile phase of the menstrual cycle". Proceedings of the Royal Society B. 271 (Suppl 5): S270–S272. doi:10.1098/rsbl.2004.0174. PMC 1810066. PMID 15503991.
Geoffrey Miller; Joshua M. Tybur; Brent D. Jordan (June 2007). "Ovulatory cycle effects on tip earnings by lap dancers: economic evidence for human estrous?" (PDF). Evolution and Human Behavior. 28 (6): 375–381. CiteSeerX 10.1.1.154.8176. doi:10.1016/j.evolhumbehav.2007.06.002. Retrieved 2008-01-21.
Pipitone, R.; G. Gallup Jr (2008-05-18). "Women's voice attractiveness varies across the menstrual cycle". Evolution and Human Behavior. 29 (4): 268–274. doi:10.1016/j.evolhumbehav.2008.02.001.
Susan B. Bullivant; Sarah A. Sellergren; Kathleen Stern; et al. (February 2004). "Women's sexual experience during the menstrual cycle: identification of the sexual phase by noninvasive measurement of luteinizing hormone". Journal of Sex Research. 41 (1): 82–93. doi:10.1080/00224490409552216. PMID 15216427. Archived from the original on 2007-07-28.
Ann Renninger, Lee; Wade, T. Joel; Grammer, Karl (2004). "Getting that female glance: Patterns and consequences of male nonverbal behavior in courtship contexts". Evolution and Human Behavior. 25 (6): 416–431. doi:10.1016/j.evolhumbehav.2004.08.006.
Thornhill, Randy; Gangestad, Steven W. (1999). "The Scent of Symmetry: A Human Sex Pheromone that Signals Fitness?". Evolution and Human Behavior. 20 (3): 175–201. doi:10.1016/s1090-5138(99)00005-7.
Brooksbank, B.W.L. (1962). "Urinary excretion of androst-16-en-3 alpha-ol in human male axillary sweat". Experientia. 30 (8): 864–865. doi:10.1007/bf01938327.
Brewis, A.; Meyer, M. (2005). "Demographic Evidence That Human Ovulation is Undetectable (at Least in Pair Bonds)". Current Anthropology. 46 (3): 465–471. doi:10.1086/430016.
Regan, P.C. (1996). "Rhythms of desire: the association between menstrual cycle phases and female sexual desire". Canadian Journal of Human Sexuality. 5: 145–156.
Motluk, Alison (2006-08-05). "The secret life of semen". New Scientist (2563). Retrieved 2008-06-28.
Chris Knight (1991). Blood relations: menstruation and the origins of culture. New Haven, Conn: Yale University Press. ISBN 978-0-300-04911-4.
Knight, Chris; Camilla Power; Ian Watts (1995). "The Human Symbolic Revolution: A Darwinian Account" (PDF). Cambridge Archaeological Journal. 5 (1): 75–114. doi:10.1017/S0959774300001190. Retrieved 2006-12-13.
Schoroder, I. (1993). "Concealed ovulation and clandestine copulation: A female contribution to human evolution". Ethology and Sociobiology. 14 (6): 381–389. doi:10.1016/0162-3095(93)90026-E.
Burt, Austin (June 1992). "'Concealed ovulation' and sexual signals in primates". Folia Primatologica. 58 (1): 1–6. doi:10.1159/000156600. PMID 1618432.
Frederick S. Szalay; Robert K.Costello (June 1991). "Evolution of permanent estrus displays in hominids". Journal of Human Evolution. 20 (6): 439–464. doi:10.1016/0047-2484(91)90019-R.
Lovejoy, C. Owen (1981-01-23). "The Origin of Man". Science. 211 (4480): 341–350. doi:10.1126/science.211.4480.341. ISSN 0036-8075. PMID 17748254.
Lovejoy, C. Owen (2009-10-02). "Reexamining Human Origins in Light of Ardipithecus ramidus" (PDF). Science. 326 (5949): 74–74e8. doi:10.1126/science.1175834. ISSN 0036-8075.
Benagiano, G.; Mori, M. (2009). "The origins of human sexuality: Procreation or recreation?". Reproductive Biomedicine Online. 18 Suppl 1: 50–59. doi:10.1016/s1472-6483(10)60116-2. PMID 19281665.
Christopher Ryan Ph.D & Cacilda Jethá Ph.D (2012). Sex at Dawn. HarperCollins. ISBN 978-0-06-220794-4.
Hestermann, M.; Ziegler, T.; Van Schaik, C. P.; Launhardt, K.; Winkler, P.; Hodges, J. K. (2001). "Loss of oestrus, concealed ovulation and paternity confusion in free-ranging Hanuman langurs". Proceedings of the Royal Society B: Biological Sciences. 268 (1484): 2445–2451. doi:10.1098/rspb.2001.1833. PMC 1088898. PMID 11747562.
Koeslag, J.H. (1997). "Sex, the prisoner's dilemma game, and the evolutionary inevitability of cooperation". J. Theor. Biol. 189 (1): 53–61. doi:10.1006/jtbi.1997.0496. PMID 9398503.
Koeslag, J.H. (2003). Evolution of cooperation: cooperation defeats defection in the cornfield model. J. theor. Biol. 224, 399-410
Wilson, D. S.; Wilson, E. O. (2008). "Evolution "for the good of the group". [Article]". American Scientist. 96 (5): 380–389. doi:10.1511/2008.74.1.
Pawłowski, B. (1999). "Loss of Oestrus and Concealed Ovulation in Human Evolution: The Case against the Sexual‐Selection Hypothesis". Current Anthropology. 40 (3): 257–276. doi:10.1086/200017.
