TY  - BOOK
AU  - Graham,Samuel Alexander
TI  - Principles of forest entomology
PY  - 1939///
CY  - New York, London
PB  - McGraw-Hill
KW  - Forest insects
KW  - Insect pests
KW  - Trees
KW  - Diseases and pests
N1  - Includes index; Bibliography: p. 367-386
ER  -