000 00381nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aLarson, W.E., Beale, O.W.
245 _aUsing crop residues on soils of the humid area
260 _aWashington
260 _c1961
300 _a1-14 : p.
440 _aUnited States Department of Ag
901 _pS2561
942 _cB
_2udc
999 _c136252
_d136252