TY  - CHAP
A1  - Sikkel, D.
A1  - Hox, J.
A1  - de Leeuw, E. 
T1  - Using auxiliary data for adjustment in longitudinal research
Y1  - 2009
DO  - 10.1002/9780470743874.ch9
A3  - Peter Lynn, P.
T2  - Methodology of longitudinal surveys
CY  - Chichester, UK
PB  - Wiley

ER  -