TY  - BOOK
AU  - Winkelmann Rainer
TI  - Econometric analysis of count data
SN  - 978-3-540-77648-2
U1  - 330.015195 
PY  - 2008///
CY  - Berlin
PB  - Springer-Verlag
KW  - Count data
KW  - Econometric modeling
KW  - Econometrics
ER  -