TY  - BOOK
AU  - Blalock, Hubert M.
TI  - An Introduction to Social Research
SN  - 13496828X
U1  - 300.72 23
PY  - 1970///
CY  - New Jersey
PB  - Prentice-Hall
KW  - Social Science
KW  - Research
N1  - Includes bibliographical references and index
ER  -