TY  - GEN
AU  - 
TI  - Phytopathological classics
PY  - 1942///
CY  - Ithaca
PB  - American Phytopathological Society
KW  - Plant Pathology
KW  - Etiology
N1  - No. 4 : On the etiology of infectious variegation by E. Baur
ER  -