TY  - BOOK
AU  - Blalock,Hubert M.
TI  - An introduction to social research
T2  - Prentice-Hall general sociology series
SN  - 013496828X
AV  - H62 .B576
U1  - 300/.72 
PY  - 1970///]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Social sciences
KW  - Research
KW  - Local
N1  - Includes bibliographical references
ER  -