@inbook{Wahl1992,
author = {Wahl, J.B.},
title= {Trading quantity for quality: explaining the decline in American fertility in the nineteenth century},
year = {1992},
editor = {Goldin, C.},
editor = {Rockoff, H.},
booktitle = {Strategic factors in nineteenth century American economic history: a volume to honor Robert W. Fogel},
address = {Chicago},
publisher = {The University of Chicago Press},
pages = {357--397},
}