TY  - BOOK
AU  - Stoll,Gaby
TI  - Natural crop protection: based on local farm resources in the tropics and subtropics 
SN  - 3823611135
PY  - 1986///
CY  - [FR Germany
PB  - Margarf]
KW  - Plants, Protection of
KW  - Tropics
KW  - Techniques
ER  -