TY  - BOOK
AU  - Russo Federica
TI  - Casuality and casual modeling in the social sciences:  Measuring variations   
T2  - Methodos Series
SN  - 9781402088162
U1  - U:(E ), P9 
PY  - 2009///
CY  - Belgium
PB  - Springer          
KW  - SOCIAL SCIENCES
ER  -