TY  - BOOK
AU  - MANHEM Henry L
AU  -  SIMON Bradley A
TI  - Sociological research :  Philosophy and methods.   
T2  - Dorsey series in sociology . Edby Robin M Williams
U1  - Yb4, L7 
PY  - 1977///
CY  - Illinois
PB  - Dorsey Press         
N1  - Bib.p-355-376; Appendix p-325-354
ER  -