00487nam a2200169Ia 4500008004100000041000800041082001400049100003000063245002000093250000800113260004700121300000800168650002200176942000700198952009700205999001500302230711s9999||||xx |||||||||||||| ||und|| aENG a624bBU-I aBureau of Indian Standard 0aIS SP : 23 1982 a1st c2001aNew DelhibBureau of Indian Standard a144 aCivil Engineering cBK 001040708RaMCLbMCLd0000-00-00l0o624 BU-Ip16524r2023-08-17 14:04:08w2023-08-17yBK c4734d4734