TY  - GEN
AU  - Stoll, Gaby
TI  - Natural crop protection: based on local farm resources in the tropics and subtropics
SN  - 3823611135
U1  - 633 
PY  - 1986///
CY  - Weikersheim
PB  - Margraf Verlag
KW  - Field and plantation crops
ER  -