000 00286nam a2200121Ia 4500
008 170101s1975 xx 000 0 und d
082 _a631.7 BOS
100 _aBos M.G.
245 0 _aIrrigation Effficiency in Small-Farm Areas
260 _c1975
300 _a34 p.
942 _2ddc
_cB
999 _c723116
_d723116