00282nam a2200121Ia 4500008004100000041000800041082000800049100002000057245002500077250001000102260004000112300000800152211209s1989    xx            000 0 und d  aeng  aDEG  aDEGARMO, E PAUL  aENGINEERING ECONOMY   a8 ed.  aNEW YORKbMACMILLAN PUBS. CO.c1989  a769