000 00258nam a2200097Ic 4500
008 240520s9999 xx 000 0 und d
100 1 _aCher, Gordon
245 1 0 _aProductivity management text & cases /
_cGordon Cher
264 1 _bMcGraw Hill
_c1979
942 _cBK
999 _c19415
_d19415