RT Book T1 A study of the perceptual organization of black and white delinquent and nondelinquent juvenile females A1 Kallstrom, Dale W. LA English PP Ann Arbor, Mich. PB Univ. Microfilms YR 1980 UL https://krimdok.uni-tuebingen.de/Record/1092632107 K1 Hochschulschrift