1. Azad, R. N., andO. P. Sehgal. 1958. Some virus diseases of temperate fruits. Indian Phytopath.11: 159–164.
2. Baldacci, E.,et al. 1962. Nuovi contributi alle ricerche sulle malattie da virus della Vite. (English summary.) Riv. Pat. Veg., Pavia, Ser. 3,2(1): 20–25. (Rev. Appl. Mycol.41: 692.)
3. Banttari, E. E., andM. B. Moore. 1962. Virus cause of blue dwarf of oats and its transmission to barley and flax. Phytopathology52: 897–902.
4. Bawden, F. C. 1956. Plant viruses and virus diseases. Chronica Botanica Company, Waltham, Mass., pp. 59–60.
5. —. 1964. Plant viruses and virus diseases. Ronald Press Company, New York, pp. 88, 92, 284.