TY - SER TI - Journal of Hydraulic Engineering.. Vol. 115 No. 9 (1989) PY - 0000///[date of publication not identified] CY - New York : American Society of Civil Engineers. N1 - It contains of Papers, Technical Note and Discussions on September 1989 in Vol. 115 No. 9; TECHNICAL PAPERS : Graph-Theoretical Model for Slow Transient Analysis of Pipe Networks / Masashi Shimada. Interfacial Stability in Stratified Channel Flows / John P. Grubert. Stability Analysis of Two-Dimensional Depth-Averaged Model / Tawatchai Tingsanchali, Suphat Vongvisessomjai and Guann-Juin Hwang. Laser Measurements and Computations of Viscous Flows Through Cylinders / J. Ganoulis, P. Brunn, F. Durst, J. Holweg and A. Wunderlich. Toward a New Rational Method / Arie Ben-Zvi. Minimization of Frazil-Ice Production by River-Flow Regulation / Subhash C. Jain and Robert Ettema. Design of Efficient Side-Channel Spillway / Arthur C. E. Knight. TECHNICAL NOTE : Slit Dam Design for Debris Flow Mitigation / Peggy A. Johnson and Richard H. McCuen ER -