TY  - BOOK
AU  - Morgan, Stephen L
AU  - Winship, Christopher
TI  - Counterfactuals and causal inference : methods and principles for social research
SN  - 9780521856157
SN  - 200610344
U1  - 300.72 MOR 
PY  - 2007///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Causation
KW  - Social sciences - Methodology
KW  - Social sciences - Research
N1  - Includes bibliographical references (p. 291-316) and index
ER  -