Books by P. R. Fry
A clover mosaic virus in New Z
A clover mosaic virus in New Zealand pastures
Two virus diseases of Gladiolu
Two virus diseases of Gladiolus
Note on occurrence of a tobacc
Note on occurrence of a tobacco-necrosis virus in roots of lettuce showing big-vein
Influence of method of tomato
Influence of method of tomato seed extraction on seed transmission of tobacco-mosaic and tomato-streak