TY  - BOOK
AU  - Johnson,Fred R.
TI  - Papers on deciduous fruit insects and insecticides
AV  - SB823 .A2 no. 116, pt. 1
PY  - 1912///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Grape leaf-hopper
KW  - Spraying
N1  - From: U.S. Bureau of Entomology bulletin, no. 116, pt. 1
ER  -