TY  - BOOK
AU  - Selltiz Claire
TI  - Research methods in social relations
U1  - Y1b4, J1;L6-;1 
PY  - 1976///
CY  - New York
PB  - Holt Rinehart and Winston   
KW  - SOCIOLOGY
N1  - Glossary 575-582; Bibliography p583-610
ER  -