TY  - BOOK
AU  - Liggett,John
AU  - Cochrane,Raymond
TI  - Exercises in social science
SN  - 0094558205
AV  - HM48.L5 1968 
PY  - 1968///
CY  - London
PB  - Constable
KW  - Sociology
KW  - Research
ER  -