000 00298nam a2200121Ia 4500
008 170101s1948 xx 000 0 und d
082 _a631.4 GUS
100 _aGustafson A. F.
245 0 _aUsing and managing Soils.
260 _bMcGrar-Hill book Co.
_c1948
300 _a420 p
942 _2ddc
_cB
999 _c328716
_d328716