@article{Kim1996,
author = {Kim, Y.J. and Schoen, R.},
title= {Populations with Sinusoidal Birth Trajectories},
year = {1996},
doi = {10.1006/tpbi.1996.0025},
journal = {Theoretical Population Biology},
volume = {50},
number = {2},
pages = {105--123},
}