00453nam a2200133Ia 4500008004100000041000800041082001400049100003000063245015200093250000800245260004700253300000700300650001200307230711s9999||||xx |||||||||||||| ||und||  aENG  a532bBU-I  aBureau of Indian Standard 0aIS : 6059 1971bRecommendation for liquid flow measurement in open channels by weire and flumes-weirs of finite orest wide width for free discharge  a1st  c1971aNew DelhibBureau of Indian Standard  a12  aPhysics