000 00390nam a2200133Ia 4500
001 MPKV052071
008 120911s9999 xx 000 0 und d
082 _a631.7
245 _aWater and water Engineering Vol 75
_c;
246 _aWater and Engineering Vol 75
246 _aWater and water Engineering Vol 75
260 _aLondon
_bJohn Adam House
_c1971
650 _aIrrigation and Drainage
999 _c50073
_d50073