TY  - BOOK
AU  - Ashenfelter,Orley
AU  - Zimmerman,David J.
AU  - Levine,Phillip B.
TI  - Statistics and econometrics: methods and applications 
SN  - 0471107875
AV  - HA29  .A83 2003
PY  - 2003///
CY  - Hoboken, NJ
PB  - John Wiley
KW  - Social sciences
KW  - Statistics
KW  - Econometrics
ER  -