000 00355nam a2200121Ia 4500
001 MPKV058901
008 120911s9999 xx 000 0 und d
082 _a631.7
245 _aWater Research Vol 8 No.1-12 Missing 11
_c;
246 _aWater Research Vol 8 No.1-12 Missing 11
260 _aUSA
_bPergamon Press Inc
_c1974
650 _aIrrigation and Drainage
999 _c56889
_d56889