000 00297 a2200121 4500
082 _a631.4
_bTHS
100 _aThompson, Louis. M
_9108605
245 _aSoils and soil fertility
_cLouis. M Thompson
250 _a3rd
260 _aNew York:
_bMcGraw-Hill Book,
_c1973.
300 _b495p
942 _cBK
999 _c56587
_d56587