@inbook{Lesthaeghe2001,
author = {Lesthaeghe, R. and Vanderhoeft, C.},
title= {Ready, willing, and able: a conceptualization of transitions to new behavioral forms},
year = {2001},
editor = {Casterline, J.B.},
booktitle = {Diffusion processes and fertility transition. Selected perspectives},
address = {Washington, D.C.},
publisher = {National Academy Press},
pages = {240--264},
}