@Book{1106490045,
author="Williams, Harald M.",
title="geistig behinderte Kind in der Sonderschule",
series="Die Sonderp{\"a}dagogik des Auslandes 1",
year="1966",
publisher="Marhold",
address="Berlin-Charlottenburg",
keywords="Geistigbehindertenschule; USA",
note="H. M. Williams; F. P. Connor; J. Brewer",
note="Literaturverz. S. 69-72",
language="German"
}