@article{Widmer1998,
author = {Widmer, E.D. and Treas, J. and Newcomb, R.},
title= {Attitudes toward nonmarital sex in 24 countries},
year = {1998},
doi = {10.1080/00224499809551953},
journal = {The Journal of Sex Research},
volume = {35},
number = {4},
pages = {349--358},
}