TY  - BOOK
AU  - Roberts,Daniel A.
AU  - Boothroyd,Carl W.
TI  - Fundamentals of plant pathology
SN  - 0716708221
U1  - 581.22 
PY  - 1972///
CY  - San Francisco
PB  - W. H. Freeman and Co.,
KW  - Plant Diseases
ER  -