@techreport{Velasquez2010,
author = {Velasquez, A. and Genoni, M. and Rubalcava, L. and Teruel, G. and Thomas, D. },
title= {Attrition in Longitudinal Surveys: Evidence from the Mexican Longitudinal Survey},
year = {2010},
publisher = {Northeast Universities Development Consortium},
address = {Cambridge, MA},
}