TY  - SER
AU  - Arnold, G. H.,
TI  - Plant and Soil Vol.19(1-2)
U1  - 577.57 
PY  - 1963///
CY  - Hague
PB  - Martinus Nijhoff Publishers
KW  - Ecology
KW  - Plant Science
KW  - Soil Science
ER  -