TY  - BOOK
AU  - John Charles Walker
TI  - Diseases of Vegetable Crops
U1  - 635.192 
PY  - 1952///
CY  - New York
PB  - Mcgraw-hill book co.inc
N1  - John Charles Walker: Diseases of Vegetable Crops.  New York.  Mcgraw-hill book co.inc, 1952.--(635.192WAL)
ER  -