@article{Denton1974,
author = {Denton, F.T. and Spencer, B.G.},
title= {Some demographic consequences of changing cohort fertility patterns: An investigation using the Gompertz function},
year = {1974},
doi = {10.2307/2173961},
journal = {Population Studies},
volume = {28},
number = {2},
pages = {309--318},
}