000 00300nam a2200121Ia 4500
008 140317s9999 xx 000 0 und d
082 _a631.7
100 _aJohl,S.S.
245 _aIrrigation and agricultural development.
260 _aOxford
_bPergamon Press
_c1980
300 _a396
942 _2ddc
_cBK
999 _c9202
_d9202