TY  - BOOK
AU  - Zeller, Richard A.
AU  - Carmines, Edward G.
TI  - Measurement in the Social Sciences 
SN  - 0521222435
U1  - 300.18 
PY  - 1980///
CY  - New York
PB  - Cambridge university press
KW  - Social Sciences
N1  - Includes Index
ER  -