TY  - SER
AU  - James, Willam H.
TI  - On the Adaptively Biassed Offspring Sex Ratios of Hungarian Gypsies : : a possible proximate cause
T2  - Current Anthropolgy ; 
PY  - 2003///
CY  - Chicago-US : 
PB  - Department of Human Sciences, 
N1  - Artículo dentro de: Discussion
ER  -