TY  - BOOK
AU  - Blalock, H. M.
TI  - Measurement in the social sciences: theories and strategies 
SN  - 0333178149 
U1  - 300 23
PY  - 1975///
CY  - London
PB  - Macmillan
KW  - Social sciences
N1  - Includes bibliographies and indexes
ER  -