00513nam a2200217Ia 4500008004100000020001800041040000600059041001200065082001100077082001100088100001500099245001700114245001500131260001300146260002000159260000900179300005500188300001000243501002500253650001700278141004s9999    xx            000 0 und d  a3 540 50782 5  ca  aEnglish  a631.42  bULR/SO  aB   Ulrich  aSoil acidity  cB   Ulrich  aNew York  bSpringer-Verlag  c1991  a224 p.                                              b24 cm  a3B2                   aSoil acidity