00278cam a22000977a 4500008004000000082001300040100002000053245005400073260004400127300000900171180718b1961   xxu||||| |||| 00| 0 eng d  aQ87 W893  aGibbens, T.C.N.  aTrends in juvenile delinquencycby T.C.N. Gibbens  aGenevabWorld Health Organizationc1961  a56p.