Michael S. Gazzaniga, Human: The Science Behind What Makes Us Human (New York: Harper Perennial, 2008), 95.
22
Buss, 44-45.
23
Guenter J. Hitsch, Ali Hortacsu, and Dan Ariely, «What Makes You Click? – Mate Preferences and Matching Outcomes in Online Dating,» in MIT Sloan Research Paper # 4603—06.