@article{Hass1974,
author = {Hass, Paula H.},
title= {Wanted and Unwanted Pregnancies: A Fertility Decision-Making Model},
year = {1974},
doi = {10.1111/j.1540-4560.1974.tb01758.x},
journal = {Journal of Social Issues},
volume = {30},
number = {4},
pages = {125--165},
}