TY  - BOOK
AU  - Blanchard, Robert O
AU  - Tattar, T A
TI  - Field and laboratory guide to tree pathology
SN  - 0121039803
U1  - 634.96/BLA 
PY  - 1981///
CY  - New York
PB  - Academic Press
KW  - Trees--Diseases and pests
ER  -