@article{Fussell2014,
author = {Fussell, E. and Hunter, L.M. and Gray, C.L.},
title= {Measuring the environmental dimensions of human migration: The demographer’s toolkit},
year = {2014},
doi = {10.1016/j.gloenvcha.2014.07.001},
volume = {28},
pages = {182--191},
}