000 00330nam a2200121Ia 4500
001 MPKV108988
008 120911s9999 xx 000 0 und d
082 _a631.4
245 _aSoil Science Vol 131-32
_c;
246 _aSoil Science Vol 101
260 _aMaryland
_bWilliams and Wilkins Co. Baltimore
_c1981
650 _aSoil Science
999 _c72334
_d72334