TY  - BOOK
AU  - Selltiz Clair, and others
TI  - Research methods in social relations
U1  - sigma b4, J9/TD28 
PY  - 1959///
CY  - London
PB  - Methuen UK         
KW  - Social Science
N1  - Bibliography: p 589-606; Appendix: p 502-88; 2 V in one
ER  -