00377nam a2200133Ia 4500008004100000041000800041082001400049100003000063245006600093250000800159260004700167300000700214650002200221230711s9999||||xx |||||||||||||| ||und|| aENG a624bBU-I aBureau of Indian Standard 0aSI : 3535 1986bIndian standard methods of sampling hydraluic a1st c1986aNew DelhibBureau of Indian Standard a13 aCivil Engineering