TY  - CHAP
A1  - Snijders, T. 
A1  - Berkhof, J. 
T1  - Diagnostic checks for multilevel models
Y1  - 2008
A3  - de Leeuw, J.
A3  - Meijer, E. 
T2  - Handbook of multilevel analysis
CY  - New York
PB  - Springer

ER  -