00325nam a2200109Ia 4500008004100000082001800041100002100059245005100080260005900131300001000190650001500200140113s9999    xx            000 0 und d  a581.557.24 M4  a"Schenck, N. C."  aMethods and principles of mycorrhizal research  b"Minnesota : American phytopathological society, 1984"  a244p.  aMycorrhiza