TY  - BOOK
AU  - Blalock, Hubert M.
TI  - An introduction to social research 
SN  - 13496828X
U1  - 300/.7/2 BLA 
PY  - 1970///
CY  - New Jersey
PB  - Prentice-Hall
KW  - Social Science
KW  - Sociology
N1  - Includes bibliographical references and index
ER  -