TY  - BOOK
AU  - Gaumann Ernst
AU  - Brierley William B
TI  - Principles of plant infection: a text-book of general plant pathology for biologists, agriculturists, foresters and plant breeders
U1  - 571.92 
PY  - 1950///
CY  - London
PB  - Crosby Lockood
KW  - Plant diseases
ER  -