TY - GEN AU - Alexander, I J AU - Fitter, A.H. AU - Lewis, L.H,. AU - Read, D.J. TI - Mycorrhizas in ecosystems SN - 0 85198 786 9 U1 - 574.5 REA CY - Wallingford, CAB International KW - Ecology/ mycorthiza/ rhizophere/ ectomycorrhizha/ virulence/ auxin ER -