TY  - SER
AU  - Arnold, G. H,
TI  - Plant and Soil Vol. 115-116(1-2)
U1  - 577.57 
PY  - 1989///
CY  - Dordrecht
PB  - Kluwer Academic Publishers
KW  - Ecology
KW  - Plant Science
KW  - Soil Science
ER  -