@article{Baker2013,
author = {Baker, R. and Brick, J.M. and Bates, N.A. and Battaglia, M. and Couper, M.P. and Dever, J.A. and Gile, K.J. and Tourangeau, R.},
title= {Summary report of the AAPOR task force on non-probability sampling},
year = {2013},
doi = {10.1093/jssam/smt008},
volume = {1},
number = {2},
pages = {90--143},
}