TY  - BOOK
AU  - Vaus, David de.
AU  - Walters, Bradley B,
TI  - Causal Explanation For Social Scientists: A Reader 
SN  - 9780759113251
U1  - 300.1 
PY  - 2011///
CY  - Walnut Creek, CA
PB  - AltaMirPress, &copy
KW  - SOCIAL SCIENCE
ER  -