TY  - SER
AU  - Voland, Eckart.
TI  - Population Increase and Sex Biased Parental Investment in Humans : : evidence from I8th and 19th Century Germany
T2  - Current Anthropolgy ; 
PY  - 1997///
CY  - Chicago-US : 
PB  - Department of Human Sciences, 
N1  - Artículo dentro de: Reports
ER  -