00494nam a2200169Ia 4500008004100000041000800041082001400049100003000063245002800093250000800121260004700129300000700176650002200183942000700205952009700212999001500309230711s9999||||xx |||||||||||||| ||und|| aENG a624bBU-I aBureau of Indian Standard 0aIS : 2720 Pt XXXIX 1979 a1st c1988aNew DelhibBureau of Indian Standard a12 aCivil Engineering cBK 001040708RaMCLbMCLd0000-00-00l0o624 BU-Ip16542r2023-08-17 14:04:09w2023-08-17yBK c4750d4750