TY  - BK
AU  - James,W.C.
TI  - A manual of assessment keys for plant diseases
T2  - Agriculture Canada Publication
PY  - 1971///
CY  - St. Paul, MN (USA)
PB  - American Phytopathological Society, 
KW  - Diseases
KW  - Drechslera
KW  - Erysiphe
KW  - Plant viruses
KW  - Puccinia
KW  - Septoria
KW  - Stemphylium
KW  - Xanthomonas
KW  - Wheat
KW  - AGROVOC
N1  - Ilustrations, index
ER  -