00286nam a2200109Ia 4500008004100000041000800041082002200049100001600071245004100087260004000128300000800168211209s1967    xx            000 0 und d  aeng  a657.2 N67 CHA/NUR  aCHARAYA J S  aTEXT BOOK OF ESTIMATING AND COSTING   aDELHIbTECH INDIA PUBLICATIONc1967  a282