@article{Murray2001,
author = {Murray, J.E. and Lagger, B.A. },
title= {Involuntary childlessness and voluntary fertility ontrol during the fertility transition: Evidence from men who graduated from an American college},
year = {2001},
doi = {10.1080/00324720127676},
journal = {Population Studies },
volume = {55},
number = {1},
pages = {25--36},
}