TY  - BOOK
AU  - Lasker, G.W..
TI  - Research Strategies in Human Biology: Field and Survey Studies / 
SN  - 0-521-43188-3
U1  - Y:91:6t4 
PY  - 1978///
CY  - Cambridge CB2 1RP : 
PB  - Cambridge University Press , 
ER  -