TY  - BOOK
AU  - Brass, W. 
AU  - 
TI  - Biological aspects of demography
T2  - Symposia of the society for the study of Human Biology
U1  - 304.601574 
PY  - 1971///
CY  - London
PB  - Taylor & Francis
N1  - "Symposia on biological aspects of demography, Society for the study of human biology, British Museum, London"
ER  -