TY  - SER
AU  - Wadley, Reed L.
TI  - ON Secondary Sex Ratios and Coital Frequency with an Iban Case
T2  - Current Anthropolgy ; 
PY  - 1997///
CY  - Chicago-US : 
PB  - Department of Human Sciences, 
N1  - Artículo dentro de: Discussion and Criticism
ER  -