000			00391nam a2200157Ia 4500
008			240930s9999||||xx |||||||||||||| ||und||
020			_a9231013076
082			_a370 _bERD
100			_aErdos,Rence
245		0	_aEstablishing an institution traching by correspondence
260			_aUnesco _bunesco, _c1975
300			_a59p.; _c21cm
440			_a17
650			_aEducation
942			_cLM
999			_c131622 _d131622