TY  - BOOK
AU  - FRY E. WILLIAM
TI  - PRINCIPALES OF PLANT DISEASE MANAGEMENT 
SN  - 0-12-269180-6
AV  - 631/FRY 1
U1  - 631/FRY 
PY  - 1982///
CY  - NEW YORK
PB  - ACADAMIC PRESS
ER  -