@article{Heaton2002,
author = {Heaton, T.B. and Forste, R. and Otterstrom, S.M.},
title= {Family transitions in Latin America: first intercourse, first union and first birth},
year = {2002},
doi = {10.1002/ijpg.234},
journal = {International Journal of Population Geography},
volume = {8},
pages = {1--15},
}