000 00408nam a2200121Ia 4500
001 MPKV057977
008 120911s9999 xx 000 0 und d
082 _a631.7
245 _aJournal of Irrigation and Drainage Division Vol 90-91
_c;
246 _aJournal of Irrigation and Drainage Division Vol 90-91
260 _aNew York
_bAmerican society of Civil Engineers
_c1964-1965
650 _aIrrigation & Drainage
999 _c55967
_d55967