TY  - BOOK
AU  - Heald, F. D.
TI  - Manual of plant diseases
AV  - SB731 .H4 1933
U1  - 581 
PY  - 1933///
CY  - New York
PB  - McGraw-Hill
KW  - Plant diseases
KW  - Fungal diseases of plants
KW  - Diagnosis
KW  - Virus diseases of plants
N1  - Includes bibliographical references and index
ER  -