000 00376nam a2200145 a 4500
003 AR-LpUBP
005 20230809212804.0
007 ta
008 120911s1937 xxu g 000 0 eng d
040 _aAR-LpUBP
_bspa
_cAR-LpUBP
245 1 0 _aConservation of the soil /
_cA. F. Gustafson.
250 _a8th. imp.
260 _aNew York :
_bMcGraw-Hill Book Co.,
_c1937.
942 _cBK
999 _c4463
_d4463
988 _c34