TY  - BOOK
AU  - Frederick Deforest Heald
TI  - Introduction to plant pathology. Ed 2
U1  - 632.3 
PY  - 1943///
CY  - London
PB  - Mc Graw Hall
N1  - Frederick Deforest Heald: Introduction to plant pathology. Ed 2.  London.  Mc Graw Hall, 1943.--(632.3HEA)
ER  -