@inbook{Montgomery1986,
author = {Montgomery, M. and Trussel, J.},
title= {Models of marital status and childbearing},
year = {1986},
editor = {Ashenfelter, O.},
editor = {Layard, R. },
booktitle = {Handbook of Labor Economics Vol. I.},
address = {Amsterdam},
publisher = {North-Holland},
pages = {205--271},
}