000 00314nam a2200109Ia 45e0
008 181001s1983 xx 000 0 und d
100 _aSonka St.
245 0 _aComputer in farming
260 _aNewyork
_bMcGraw Hill com.
_c1983
300 _a266
942 _2ddc
_cBK
999 _c3475
_d3475