@article{Piko2007,
author = {Piko, B.F. and Wills, T.A. and Walker, C.},
title= {Motives for smoking and drinking: Country and gender differences in samples of Hungarian and US high school students},
year = {2007},
doi = {10.1016/j.addbeh.2007.01.013},
journal = {Addictive Behaviors},
volume = {32},
number = {10},
pages = {2087--2098},
}