000 00291nam a2200121Ia 45e0
008 181001s1964 xx 000 0 und d
100 _aU.S.D.Ag.
245 2 _aA manual conservation of soil water
250 _a1964
260 _c1964
300 _a164
942 _2ddc
_cBK
999 _c12
_d12