000 00387nam a2200145Ia 4500
008 170901s1957 xx 000 0 und d
082 _a631.4
_bU4S
245 0 _aSoil
260 _aWashington
_bThe Superintendent of Documents
_c1957
300 _a784
650 _aAgriculture and related technologies
650 _aTechnology (Applied sciences)
653 _aSoils
942 _2ddc
_cBK
999 _c13261
_d13261