000			00282nam a2200121Ia 4500
001			79690
008			170722s9999 xx 000 0 und d
100			_aSaiyidain, Kg
245			_aProblems of educaional reconstruction Ed3 /
250			_a3rd ed.
260			_c1962.
942			_cGEN
999			_c49860 _d49860