TY  - BOOK
AU  - Brown,Robert
TI  - Explanation in social science
AV  - H61 .B68
U1  - 300.1 22
PY  - 1963///
CY  - Chicago
PB  - Aldine 
KW  - Social sciences
KW  - Methodology
KW  - Research
N1  - Includes bibliography
ER  -