00325nam a2200097Ia 4500008004100000082003400041100004600075245007100121260002700192300000800219140113s9999    xx            000 0 und d  a"631.67""1974"" (082.2)   L4"  aInternational Drip Irrigation Association  aProceedings of the 2nd International Drip irrigation congress 1974  a1975bIDIAcCalifornia  a186