SIR and the German Socio-Economic Panel Study (SOEP) /
Frick, Joachim.
Krause, Peter.
Schupp, Jürgen.
European Science Foundation.
University of Essex.
ESRC Research Centre on Micro-Social Change.
Colchester : University of Essex,
1992.
Report prepared as part of scientific programme of the ERSC Research Centre on Micro-social Change in Britain.