Journal of the Irrigation and Drainage Division. Vol. 106 No. 1 (1980). 

 - New York : American Society of Civil Engineers.  [date of publication not identified] 
 - p. 
<br/><br/> It contains of Papers, Technical Notes and Discussions for 1980 in Vol. 106 No. 1. 
<br/><br/>Ground-Water Flow Computations by Method of Lines / Antonis D. Koussis and Richard W. Watson. Lateral Weir Flow Model / Amruthur S. Ramamurthy and Luis Carballada. Flow Regime in Helical Long-Path Emitters / S. Tal and Benjamin Zur. Is Your Weather Being Modified? / Stanley A. Changnon, Jr. Conserving Energy with Low-Pressure Center Pivots / James R. Gilley and Lloyd N. Mielke. TECHNICAL NOTES : Proc. Paper 15230 - Modeling Rill Density / Ruh-Ming Li, Victor Miguel Ponce, and Daryl B. Simons. DISCUSSION : Proc. Paper 15226 - Standards for Irrigation Efficiencies of ICID by Marinus G. Bos (Mar., 1979. Prior Discussion: Dec., 1979) / John L. Merriam, Maurice Roos. Storage Coefficients from Ground-Water Maps by Brij M. Sahni and Harbhajan S. Seth (June, 1979) / C. R. C. Jones. Proceedings of the Irrigation & Drainage in the Nineteen-Eighties, July 17-20, 1979, Albuquerque, New Mexico.