00353nam a2200109Ia 4500008004100000022001400041245005100055260005500106310000800161500003600169500003800205220214s9999    xx            000 0 und d  a0733-9437 0aJOURNAL OF IRRIGATION AND DRAINAGE ENGINEERING  bAmerican Society of Civil Engineers, New YorkaUSA  a6/y  aEnding Volume & Year: 116, 1990  aStarting Volume & Year: 113, 1987