RT Book
T1 The Chicago youth development project: a descriptive account of its action program and research designs
A1 Mattick, Hans W.
A2 Caplan, Nathan
LA English
PP Ann Arbor, Mich.
PB Univ. Microfilms International
YR 1979
ED repr.
UL https://krimdok.uni-tuebingen.de/Record/1098282507