TY  - BOOK
AU  -  Holt,Robert T.
TI  -  The methodology of comparative research / 
U1  -  320.018 
PY  - 1970///
CY  -  New York : 
PB  -  The Free Press, 
KW  -  Sociology
KW  -  Methodology
N1  -  Includes bibliographical references
ER  -