@inbook{Casterline2001,
author = {Casterline, J.B.},
title= {Diffusion Processes and Fertility Transition: Introduction},
year = {2001},
editor = {National Research Council},
booktitle = {Diffusion Processes and Fertility Transition: Selected Perspectives},
address = {Washington D.C.},
publisher = {National Academy Press},
pages = {1--38},
}