TY  - BOOK
AU  - Bigger,J.H.et al
TI  - Fighting grasshoppers on Illinois farms
T2  - Circular- Illinois  Est. Exp
PY  - 1937///
CY  - Illinois-USA
PB  - 
KW  - Entomologia
KW  - Insecta
KW  - Orthoptera
KW  - USA
KW  - Zoologia
ER  -