000 00321nam a22001337a 4500
003 OSt
008 240209b |||||||| |||| 00| 0 eng d
082 _a631.417
_bS78H
100 _aStevenson, F. J.
245 _aHumus chemistry
260 _aNew York
_JJohn Wiley and Sons Ltd.
_c1982
300 _a443
942 _2ddc
_cBK
999 _c36932
_d36932