00289nam a2200097Ia 450000500170000000800410001704000100005805000140006824500830008226000260016520251229190300.0251229s9999    xx            000 0 und d  cEULIB  aLB 8 .I5  4aThe organization of educational and vocational guidancebcomparative education  aGenevab UNESCOc1963