00413cam a22000977a 4500008004000000082001400040245015100054260003500205300001100240700006400251180718b1981 xxu||||| |||| 00| 0 eng d aQ86 Un3 6 aSixth united nations congress on the prevention of crime and the treatment of offenderscby Department of Interntional Economic And Social Affairs aNew YorkbUnited Nationsc1981 av,86p. aU.S. Department of Interntional Economic And Social Affairs