TY  - BOOK
AU  - Roberts, Daniel A.
AU  - Boothroyd, Carl W.
TI  - Fundamentals of plant pathology
U1  - 581.2 R 541 f 
PY  - 1972///
CY  - San Francisco
PB  - W. H. Freeman and Co.
KW  - Plant Pathology
ER  -