TY  - GEN
AU  - WEWETZER, A.
AU  - KRALL,S.
AU  - SCHULZ,F.A.
TI  - Methods for the assessment of crop losses due to grasshoppers and locusts
SN  - 3-88085-487-4
CY  - Eschborn
KW  - Perte de récolte
KW  - Locusta
KW  - Acrididae
ER  -