TY  - BOOK
AU  - Cameron A Colin
AU  -  Trivedi Pravink
TI  - Regression analysis of count data
T2  - Economic Society Monographs
SN  - 0521635675
U1  - B2898, N8 
PY  - 1998///
CY  - Cambridge
PB  - Cambridge University Press        
N1  - Bibliography: P 379-98; Appendix: P 371-78
ER  -