European hair and eye color:
A case of frequency-dependent sexual selection?
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PII: S1090-5138(05)00059-0
doi:10.1016/j.evolhumbehav.2005.07.002
© 2006 Elsevier Inc. All rights reserved.
PII: S1090-5138(05)00059-0
doi:10.1016/j.evolhumbehav.2005.07.002
© 2006 Elsevier Inc. All rights reserved.