Riggs, James L. Essentials of engineering economics [Books]. James L. Riggs. - 2nd ed. - New York McGraw-Hill 1986 - Pages: 572 - McGraw-Hill Series in Industrial Engineering and Management Science. . ISBN: 0070528721 0.00 LCCN: 85008039 Subjects--Personal Names: Engineering economy.Managerial economics. Dewey Class. No.: TA/177.4 / RIG