TY  - BOOK
AU  - Morgan,Stephen L.
AU  - Winship,Christopher
TI  - Counterfactuals and causal inference: methods and principles for social research 
SN  - 9780521856157 (hardback)
AV  - H62 .M646 2007
U1  - 300.72 22
PY  - 2007///
CY  - New York
PB  - Cambridge University Press
KW  - Social sciences
KW  - Research
KW  - Methodology
KW  - Causation
N1  - Includes bibliographical references (p. 291-316) and index
UR  - http://www.loc.gov/catdir/toc/ecip078/2006103449.html
UR  - http://www.loc.gov/catdir/enhancements/fy0729/2006103449-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy0729/2006103449-b.html
ER  -