000			00339nam a2200145Ia 4500
008			131111s9999 xx 000 0 und d
100			_aUNESCO
245			_aEconomic aspects of special education
260			_aParis
260			_bUNESCO
260			_c1978
300			_a152p.
650			_aEducation,special _aEducation
763			_a4252
999			_c56487 _d56487