000 003540000a22001450004500
060 _a100
082 _a631.4 GUS
100 _aGustafson, A F
245 _aSoils and soil management
260 _aNew York, Mc Graw-Hill Book Co Inc
260 _c1941
300 _a424
650 _aSoil management/ Soil conservation/ Soil science/
942 _cBK
999 _c347311
_d347311