00319nam a2200133Ia 4500008004100000020001500041041001200056082001100068100001600079245005400095260000900149300001000158650001700168221030s9999    xx            000 0 und d  a818655503x  aEnglish  a105.23  aS. P. Gupta 0aAnalysis of Engineering Economicscby S. P. Gupta  c1997  a11.36  aBE Economics