@techreport{Simpson2006,
author = {Simpson, R.},
title= {Childbearing on hold: A literature review},
year = {2006},
URL = {http://www.uptap.net/reports%20and%20papers/05UPTAP%20Working%20Paper%201_R.Simpson.doc},
publisher = {University of Edinburgh, Centre for Research on Families and Relationships},
address = {Edinburgh},
number = {CRFR working paper; 1; 31 pp.},
}