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  - 581.2 
PY  - 1950///
CY  - London
PB  - C. Lockwood
KW  - Plant diseases
KW  - Botany
KW  - Textbooks
N1  - Includes index
ER  -