00489nam a2200169Ia 4500008004100000041000800041082001400049100003000063245002200093250000800115260004700123300000800170650002200178942000700200952009700207999001500304230711s9999||||xx |||||||||||||| ||und|| aENG a624bBU-I aBureau of Indian Standard 0aIS : 16 Pt I 1980 a1st c1980aNew DelhibBureau of Indian Standard a232 aCivil Engineering cBK 001040708RaMCLbMCLd0000-00-00l0o624 BU-Ip11552r2023-08-17 14:02:50w2023-08-17yBK c3173d3173