00285nam a2200109Ia 450000500170000000800410001708200140005810000170007224500380008926000400012730000080016720260224040958.0260224s9999||||xx |||||||||||||| ||und||  a338.4 GRA  aGrant, E.L.  0aPrinciples of engineering economy  aNew York: John Wiley & Sons. c1982  a687