@techreport{Heeringa2011,
author = {Heeringa, S. G.},
title= {Russia Longitudinal Monitoring Survey (RLMS): Sample Attrition, Replenishment, and Weighting in Rounds V-VII},
year = {2011},
URL = {http://www.cpc.unc.edu/projects/rlms-hse/project/samprep/samprep.pdf},
}