TY  - BOOK
AU  - Bergsma Wicher
AU  -  Croon Marcel
AU  -  Hagenaars Jacques A
TI  - Marginal models : For dependent, clustered and longitudinal categorical data
U1  - B28, P9 
PY  - 2009///
CY  - New York  
PB  -  Springer      
KW  - Applied Operation Research
ER  -