000 00361nam a2200121Ia 4500
008 170101s1981 xx 000 0 und d
082 _a627.52 AME
100 _aAmerican Society of Agril. Engineers
245 0 _aIrrrigation Controller Servey 1981
260 _aNew York
_bAmerican Society of Agricultural Engineers
_c1981
300 _a24 p.
942 _2ddc
_cB
999 _c806416
_d806416