000 00499nam a2200145Ia 4500
008 130903s9999 xx 000 0 und d
082 _a631.417 1976.9.6/10 (082.2) L7
245 _aSoil organic matter studies; proceedings.
260 _aVienna
_bIAEA
_c1977
300 _av.1(424p.)
490 _aIAEA, Proceedings Series
600 _aSymposium on Soil Organic Matter Studies, Braunschweig, Sept.6-10, 1976.
650 _aSoil organic matter,Nitrogen metabolism,Plant residues
942 _cGRBK
999 _c83027
_d83027