@article{Cole2004,
author = {Cole, M. and Neumayer, E.},
title= {Examining the impact of demographic factors on air pollution},
year = {2004},
doi = {10.1023/B:POEN.0000039950.85422.eb},
journal = {Population and Environment},
volume = {26},
number = {1},
pages = {5--21},
}