00333nam a2200121Ia 4500008004100000082002500041100002300066245005100089260002700140300001200167600001700179650001500196140224s9999    xx            000 0 und d  a581.557.24(082.2) M2  aSchenck, N.C., ed.  aMethods and principles of mycorrhizal research  aMinnesotabAPCcc 1982  ax,244p.  aN.C. Schenck  aMycorrhiza