TY  - BOOK
AU  - Blalock,Hubert M.
TI  - Measurement in the social sciences: theories and strategies 
T2  - Methodological perspectives
SN  - 0202302717 
AV  - H61 .B483
U1  - 300.72 
PY  - 1974///
CY  - Chicago
PB  - Aldine Pub. Co.
KW  - Social sciences
KW  - Methodology
N1  - Includes indexes; Bibliography: p. 455
ER  -