000 00327nam a2200121Ia 4500
008 221001s1968 xx 000 0 eng d
082 _a658.3 RIG
100 _aRiggs, James L.
245 0 _aEconomic decision models for engineers and managers
260 _aNew York
_bMcGraw-Hill
_c1968
300 _avii, 401p.
942 _2ddc
_cBK
999 _c2912
_d2912