TY  - BOOK
AU  - Walker,John Charls
TI  - Diseases of vegetable crops
T2  -  McGraw-Hill publications in the agricultural sciences
U1  -  632.9 
PY  - 1952///
CY  - New York, toronto: 
PB  - McGraw-Hill, 
KW  - Vegetables -- Diseases and pests.
KW  - Légumes -- Maladies et fléaux
KW  - Hortalizas -- Enfermedades y plagas
N1  - Includes index
ER  -