Manual of plant diseases
Heald, F.D.
Manual of plant diseases by F.D. Heald - New Delhi Eurasia Publishing House 1963 - 954 p.
Plant Diseases
632 / H 434 M
Manual of plant diseases by F.D. Heald - New Delhi Eurasia Publishing House 1963 - 954 p.
Plant Diseases
632 / H 434 M