@inbook{Bartel1991,
author = {Bartel, A.P. and Koch, M.J.},
title= {Internal Migration of US Immigrants},
year = {1991},
editor = {Abowd, J.},
editor = {Freeman, R.},
booktitle = {Immigration, Trade, and the Labor Market},
address = {Chicago},
publisher = {The University of Chicago Press},
pages = {121--134},
}