RT Book T1 A study of the need for a comprehensive physical fitness training and evaluation program for law enforcement officers A1 Winfield, Alfred J. LA Undetermined PP Ann Arbor, Mich. PB Univ. Microfilms Internat. YR 1984 UL https://krimdok.uni-tuebingen.de/Record/1084255790 K1 Hochschulschrift