000 00261nam a2200109Ia 4500
008 240531s9999 xx 000 0 und d
082 _a551 305 KON
100 _aKONONOVA, M.M
245 0 _aSoil organic matter
260 _aPergamon press
_b1966
942 _cANF
999 _c316810
_d316810