@article{Andersen2008,
author = {Andersen, R. and Fetner, T.},
title= {Cohort Differences in Tolerance of Homosexuality: Attitudinal Change in Canada and the United States, 1981–2000},
year = {2008},
doi = {10.1093/poq/nfn017},
journal = {Public Opinion Quarterly},
volume = {72},
number = {2},
pages = {311--330},
}