Journal of The Hydraulics Division. Vol. 106 No. 12 (1980). 

 - New York : American Society of Civil Engineers.  [date of publication not identified] 
 - p. 
<br/><br/> It contains of Papers, Technical Note and Discussions on December 1980 in Vol. 106 No. 12. 
<br/><br/>Transitional Periodic Boundary Layer Study / B. R. Ramaprian and A. Mueller. Approximate Analysis of Unsteady Laminar Flow / David Stavilsky and Enzo Macagno. Recommendations for Use of SI Units in Hydraulics / Margaret S. Petersen. Integral Equation Method for Linear Water Waves / James R. Salmon, Philip L-F. Liu, and James A. Liggett. Stochastic Generation of Annual Streamflows / R. Srikanthan and Thomas A. McMahon. Sand Bed Instability due to Bed Load Motion / Hiroji Nakagawa and Tetsuro Tsujimoto. TECHNICAL NOTES : Proc. Paper 15872 - Sand Feeding by Elevator / H. J. Geldof and J. Groeneveld. DISCUSSION : Proc. Paper 15866 - Temporal Moments for Longitudinal Dispersion / Yuh Hua Tsai and Edward R. Holley (Dec., 1978. Prior Discussions: Nov., 1979). Closure. Buoyant Jet Discharges into Finite Ambient Waters / Iyyanki V. Muralikrishna and Kandula V. N. Sarma (May, 1979. Prior Discussion: May, 1980). Closure. Interfacial Stability in Channel Flow by Richard H. French (Aug., 1979. Prior Discussion: Sept., 1980) / Steve C. McCutcheon.  Unconditional Stability in Convection Computations by Victor Miguel Ponce, Yung Hai Chen, and Daryl B. Simons (Sept., 1979. Prior Discussions: June, Sept., 1980) / Alastair G. Barnett and Graham B. McBride. Approximate Flood Routing Methods: A Review by P. Erwin Weinmann and Eric M. Laurenson (Dec., 1979. Prior Discussions: Nov., 1980) / Zbigniew W. Kundzewicz. Head-Loss Measurements in Hydroelectric Conduits / T. Maxwell Brett (Jan., 1980). Errata. Optimization of Unit Hydrograph Determination by Larry W. Mays and Lynn Coles (Jan., 1980. Prior Discussions: Oct., Nov., 1980) / Peter R. Wormleaton. Slurry Flow in Pipe Networks by Don J. Wood (Jan., 1980) / Oner Yucel. Verifying Lake Transport Models with Spectral Statistics / Keith W. Bedford and Christos Babajimopoulos (Jan., 1980). Errata.