TY  - BOOK
AU  - Dickson James G
TI  - Diseases of field crops
T2  - Mc Graw-Hill publications in the agricultural sciences
U1  - J:4, H71 
PY  - 1947///
CY  - New York    
PB  -  McGraw-Hill        
KW  -  Plant disease
KW  - Agriculture
ER  -