Journal of The Hydraulics Division. Vol. 107 No. 12 (1981). 

 - 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 1981 in Vol. 107 No. 12. 
<br/><br/>The General Hydrologic System Model / Roger C. McCann and Vijay P. Singh. Resistance Equation for Large-Scale Roughness / James C. Bathurst, Ruh-Ming Li, and Daryl B. Simons. Measurement of Air in Flowing Water / Alan F. Babb and Henry C. Aus. Radial Source-Sink Flow in Stratified Ocean / Gerhard H. Jirka, R. Peter Johnson, and Frank E. Sargent. Vertical Round Buoyant Jet in Shallow Water / W. Lee and Gerhard H. Jirka. Slope in Alluvial Channel Bends / A. Jacob Odgaard. Shear Stress Distribution at Channel Constrictions / Bishnu P. Das and Ronald D. Townsend. Conformal Mapping for Channel Junction Flow / Pashupati N. Modi, Pitamber D. Ariel, and Mohan M. Dandekar. DISCUSSION : Proc. Paper 16684 - Heat Loss from Sidearms of Cooling Lakes / Terry W. Sturm and John F. Kennedy (May, 1980. Prior Discussions: Apr., 1981). Closure errata. Transverse Mixing Tests in Natural Streams / Spyridon Beltaos (Oct., 1980. Prior Discussions: June, 1981). closure errata. Sedimentation in Iron Gates Reservoir on the Danube by Vlad Focsa (Oct., 1980) / S. Bruk, Vera Miloradov, and V. Milisic. Total Load Transport in Alluvial Channels by Kittur G. Ranga Raju, Ramachandra J. Garde, and Ramesh C. Bhardwaj (Feb., 1981) / William R. Brownlie.