TY  - BOOK
AU  - Schreurs, J
TI  - Black thread disease, control measures and yield stimulation in Hevea brasiliensis in Liberia
U1  - NR:63:581.2 
PY  - 1972///
CY  - Wageningen
PB  - Veerman
KW  - Black thread disease
KW  - Hevea diseases
ER  -