Manual of Plant Diseases
Heald, Frederick Deforest
Manual of Plant Diseases - New Delhi Eurasia Publishing House (P) Ltd. 1963 - 953
Botanical sciences
Pure Sciences
Plant diseases
581.2 / H46M
Manual of Plant Diseases - New Delhi Eurasia Publishing House (P) Ltd. 1963 - 953
Botanical sciences
Pure Sciences
Plant diseases
581.2 / H46M