TY - BOOK AU - Varma,Ajit AU - Hock,Bertold TI - Mycorrhiza : structure, function, molicular biology and biotechnology / SN - 3540639810 U1 - 579.51785 PY - 1999/// CY - Berlin : PB - Springer-Verlag , KW - MYCORRHIZAS N1 - NULL ER -