@article{Koster2013,
author = {Koster, J.M. and Grote, M.N. and Winterhalder, B.},
title= {Effects on household labor of temporary out-migration by male household heads in Nicaragua and Peru: An analysis of spot-check time allocation data using mixed-effects models},
year = {2013},
doi = {10.1007/s10745-012-9549-5},
volume = {41},
number = {2},
pages = {221--237},
}