00293nam a2200109Ia 4500008004100000041001200041100001600053245005400069260003500123300000800158650001700166221030s9999    xx            000 0 und d  aEnglish  aS. P. Gupta 0aAnalysis of Engineering Economicscby S. P. Gupta  bMalhotra BorthersaJAMMUc2008  a322  aBE Economics