Potato blight epidemics throughout the world
COX, A.E.
Potato blight epidemics throughout the world - Washington 1960 - 230p
POTATOES -- DISEASES AND PESTS
POTATOES -- DISEASES AND PESTS
635.21 C68P
Potato blight epidemics throughout the world - Washington 1960 - 230p
POTATOES -- DISEASES AND PESTS
POTATOES -- DISEASES AND PESTS
635.21 C68P