TY  - BOOK
AU  - Gaumann, Ernst
TI  - Principles of Plant Infection: A Text-Book of General Plant Pathology For Biologists, Agriculturalists, Foresters And Plant Breeders
PY  - 1950///
CY  - London 
PB  - Crosby Lockwood & Son
KW  - Plant Pathology
ER  -