TY  - BOOK
AU  - Nelson,Edward E.
AU  - Riley,Matilda White
TI  - Sociological observation: a strategy for new social knowledge 
U1  - 301.018 
PY  - 1974///
CY  - New York
PB  - Basic Books
KW  - Sociology
KW  - Methodology
N1  - Includes index
ER  -