@unpublished{Duncan2001,
author = {Alan Duncan and Gillian Paull and Jayne Taylor},
title = {Price and quality in the UK childcare market},
year = {2001},
month = {May},
volume = {pp},
doi = {10.1920/wp.ifs.2001.0114},
issn = {1742-0415},
url = {http://www.ifs.org.uk/wps/wp0114.pdf},
}