@inbook{Williamson1988,
author = {Williamson, J.G.},
title= {Migration and Urbanization},
year = {1988},
editor = {Chenery, H.},
editor = {Srinivasan, T.N.},
booktitle = {Handbook of Development Economics},
address = {News York},
publisher = {North Holland Press},
pages = {425--465},
}