000			00463nam a2200133 a 4500
005			20210219161646.0
008			130130s1980 mx r 000 0 spa d
035			_aUPN01000189341
049			_aUNE
080		4	_a37 (430.1) =20 =30 INT
245	0	0	_aInteraktion zwischen bildung und produktiver arbeit ; Interaction between education and productive work.
260			_aFederal Republic of Germany : _bMinisters of education and cultural, _c1980.
300			_a40 p.
999			_c161444 _d161444