@article{Feehan2016,
author = {Feehan, D.M. and Salganik, M.J.},
title= {Generalizing the network scale-up method: A new estimator for the size of hidden populations},
year = {2016},
doi = {10.1177/0081175016665425},
volume = {46},
number = {1},
pages = {153--189},
}