00439nam a2200157Ia 4500008004100000020001500041082001800056100003400074245004200108260005200150300000800202650001400210650002000224653002100244653001600265170901s1969    xx            000 0 und d  a0901948217  a338.4762bI5I  aInsitution of Civil Engineers 0aIntroduction to Engineering Economics  aLondonbThe Insitution of Civil Engineersc1969  a182  aEconomics  aSocial sciences  aEconomic aspects  aEngineering