000 00333nam a2200121Ia 4500
001 MPKV109679
008 120911s9999 xx 000 0 und d
082 _a631.4
245 _aPlant and Soil Vol. 54-55
_c;
246 _aPlant and Soil Vol 44 No.1-3
260 _aNetherlands
_bMartinus Nijahoff Hague
_c1980
650 _aSoil Science
999 _c73014
_d73014