00307nam a2200109Ia 4500008004100000040002500041082001200066100002300078245004100101260004700142300000800189230627s9999 xx 000 0 und d aNORSU-SiacNORSU-Sia a617 B39 aBishop , Duane S. 0aBehavioral problems and the disabled bRobert E. Krieger Publishing Companyc1984 a473