@techreport{Ganzeboom1996,
author = {Ganzeboom, H.B.G. and Treiman, D.J.},
title= {International stratification and mobility file: Conversion tools},
year = {1996},
URL = {http://home.fsw.vu.nl/hbg.ganzeboom/ismf},
publisher = {Department of Sociology},
address = {Utrecht},
}