000 00297nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631.4(058)
_bUNI
245 0 _aSoil: The yearbook of agriculture 1957
260 _aWashington
_bDept of Agriculture
_c1957
650 _aSoil science
942 _cBK
999 _c19461
_d19461