TY  - BOOK
AU  - Blalock,Hubert M., x
AU  - x
TI  - Conceptualization and measurement in the social sciences: x
SN  - x
U1  - 300.724/BLC 
PY  - 1985///
CY  - London
PB  - Sage
KW  - Social Science- Research
N1  - x
ER  -