@techreport{Perelli-Harris2013,
author = {Perelli-Harris, B. and Lyons-Amos, M},
title= {The Heterogeneity of Relationship Patterns: An Examination of 15 Countries using Latent Class Growth Model},
year = {2013},
publisher = {University of Southampton},
institution = {ESRC Centre for Population Change Working Paper},
}