@techreport{ONS2006,
author = {ONS},
title= {Birth statistics. Review of the Registrar General on births and patterns of family building England and Wales, 2005},
year = {2006},
URL = {http://www.statistics.gov.uk/downloads/theme_population/FM1_34/FM1_no34_2005.pdf},
publisher = {London Office of National Statistics},
number = {Series FM1, No. 34},
}