000 00271nam a2200121Ia 4500
008 160710s1976 xx 000 0 und d
082 _a658.5 RIG
100 _aRIGGS,J.L.
245 _aPRODUCTION SYSTEMS
260 _bJOHN WILEY
_c1976
300 _a67
942 _2ddc
_cB
999 _c39093
_d39093