TY  - BOOK
AU  - Shipman M.D.
TI  - Limatations of social resarch
T2  - Aspects of modern sociology ed by John Barron Mays and Maurice Craft
U1  - Sigma:f, L2 (RR) 
PY  - 1972///
CY  - London
PB  - Longman       
KW  - SOCIAL SCIENCES
ER  -