@inbook{Morgan2005,
author = {Morgan, S.P. and Hagewen, K.J.},
title= {Fertility},
year = {2005},
doi = {10.1007/0-387-23106-4_9},
editor = {Poston, D.L.},
editor = {Micklin, M. },
booktitle = {Handbook of population},
address = {New York},
publisher = {Kluwer Academic/Plenum},
pages = {229--249},
}