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A.W. Hunking; Frank S. Hart. (1884). Velocity of approach in weir computations: To facilitate the computation of weir discharges, corrected for velocity of approach, by a method based on the formulæ and prescriptions of the Lowell Hydraulic Experiments. , 118(2), 121–126. doi:10.1016/0016-0032(84)90412-5 
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