Encyclopedia of Plant Diseases in Agriculture and Horticulture - F.Deforest Heald (Delhi Asiatic Publishing House, 2006)
F.Deforest Heald: Encyclopedia of Plant Diseases in Agriculture and Horticulture. Delhi. Asiatic Publishing House, 2006. 81-87067-83-7 Rs. 3850--(632.03HEA)
ENGLISH