TY  - BOOK
AU  - Morgan, Stephen L.
AU  - Winship, Christopher
TI  - Counterfactuals and Causal Inference: Methods and Principles for Social Research
SN  - 978-1107694163
U1  - 36.787 
PY  - 2015///
CY  - New York
PB  - Cambridge University Press
KW  - MATHEMATISCHE, STATISTISCHE UND ANALYSE ALLGEMEIN(7)
ER  -