RT Book T1 The effects of aggressive humor stimuli upon measured hostility in male adolescent delinquents A1 Summers, Darryl L. LA English PP Ann Arbor, Mich. PB Xerox Univ. Microfilms YR 1976 UL https://krimdok.uni-tuebingen.de/Record/1094278343 K1 Hochschulschrift