TY  - BOOK
TI  - Tree root systems and their mycorbhizas
SN  - 9024728215
AV  - QK644.T73 1983 
PY  - 1983///
CY  - The hague
PB  - Martins nijhoff
KW  - Root(Btany)-congresses
KW  - Mycorbza-congresses
ER  -