TY  - BOOK
AU  - Katzner Donald W.
TI  - Unmeasured information and the methodology of social scientific inquiry
SN  - 0792373367
U1  - Sigma:f, P1 
PY  - 2001///
CY  - Boston
PB  - Kluwer Academic Publishers U. S. A.   
KW  -  RESEARCH METHODS
KW  - SOCIAL SCIENCES
ER  -