TY  - BOOK
AU  - Jahoda, Marie and Deutsch Morton and  Cook, Stuart W.
TI  - Research Methods in Social Relations
U1  - 307.2 JAH 
PY  - 1951///
CY  - New York
PB  - The Dryden Press
KW  - Sociology, Some General Problemsof Measurement, Using Available Data as Source Matherial
ER  -