@article{Henz2005,
author = {Henz, U. and Thomson, E.},
title= {Union stability and stepfamily fertility in Austria, Finland, France & West Germany},
year = {2005},
doi = {10.1007/s10680-004-7267-4},
journal = {European Journal of Population},
volume = {21},
number = {1},
pages = {3--29},
}