@inbook{Mare1993,
author = {Mare, R.D.},
title= {Educational stratification and observed and unobserved components of family background},
year = {1993},
editor = {Shavit, Y.},
editor = {Blossfeld, H.P. },
booktitle = {Persistent Inequality},
address = {Boulder},
publisher = {Westview Press},
pages = {351--376},
}