000 00335nam a2200121Ia 4500
001 MPKV062011
008 120911s9999 xx 000 0 und d
082 _a631.4
245 _aJournal of Soil Science Vol.18
_c;
246 _aJournal of Soil Science Vol.18
260 _aEngland
_bOxford University Press
_c1967
650 _aSoil science
999 _c59997
_d59997