TY  - BOOK
AU  - Zeller,Richard A.
AU  - Carmines,Edward G.
TI  - Measurement in the social sciences: the link between theory and data 
SN  - 0521222435 :
U1  - 300.182 
PY  - 1980///
CY  - London
PB  - Cambridge University Press
KW  - Social sciences
KW  - Methodology
KW  - Statistical methods
ER  -