@inbook{Leisering2003,
author = {Leisering, L. and Schumann, K.F.},
title= {How institutions shape the German life course,},
year = {2003},
editor = {Heinz, W.R. },
editor = {Marshall, V.W. },
booktitle = {Social Dynamics of the Life Course},
address = {New York},
publisher = {Walter de Gruyter},
pages = {193--210},
}