TY  - BOOK
AU  - Cameron, A. Colin and Trivedi, Pravin K.
AU  - Trivedi, Pravin K.
TI  - Regression analysis of count data
SN  - 0521635675
U1  - 330.01519536 
PY  - 1998///
CY  - Cambridge
PB  - Cambridge University Press.
ER  -