000 00434nam a2200181Ia 4500
008 150909s9999 xx 000 0 und d
041 _aEnglish
082 _a631.4
082 _bALL/SO
100 _aAllison F E
100 _eAuthor
245 _aSoil orgtanic matter and its role in crop production
260 _bElsevier
260 _c1973
650 _aAgricultural chemistry
650 _aSoil science
942 _cBK
999 _c248160
_d248160