@article{Bilsborrow2012,
author = {Bilsborrow, R.E. and Henry, S.},
title= {The use of survey data to study migration–environment relationships in developing countries: alternative approaches to data collection},
year = {2012},
doi = {10.1007/s11111-012-0177-1},
volume = {34},
number = {1},
pages = {113--141},
}