TY  - BOOK
AU  - HEALD, Frederick Deforest
TI  - INTRODUCTION TO PLANT PATHOLOGY
U1  - 571.9 HEA 
PY  - 1943///
CY  - NEW YORK and LONDON
PB  - McGRAW - HILL BOOK COMPANY,Inc.
KW  - PLANT PATHOLOGY
ER  -