Plant diseases
Singh, R S
Plant diseases - 4th - New Delhi: Oxford & IBH Publishing Co., 1963 - xvi, 564p.
Agriculture
Fungi Bacterial diaereses
632.3/4 / L8
Plant diseases - 4th - New Delhi: Oxford & IBH Publishing Co., 1963 - xvi, 564p.
Agriculture
Fungi Bacterial diaereses
632.3/4 / L8