@inbook{Morgan1996,
author = {Morgan, S.P.},
title= {Characteristic features of modern American fertility},
year = {1996},
doi = {10.2307/2808004},
editor = {Casterline, J.B.},
editor = {Lee, R.D.},
editor = {Foote, K.A.},
booktitle = {Fertility in the United States: New patterns, new theories},
address = {New York},
publisher = {Population Council},
pages = {19--63},
}