TY  - BOOK
AU  - Rubin Donald B
TI  - Matched sampling for casual effects
SN  - 0521674360 (pbk)
U1  - B2817, P6   TB 
PY  - 2006///
CY  - Cambridge
PB  - Cambridge University Press     
KW  -  Matched sampling
KW  - Statistics
N1  - References 463-482p.; Index 483-486p
ER  -