Title of article :
Plant Viruses, unique and intriguing pathogens: Bos, L., 1999, A textbook of plant virology, Buckhuys Publishers, P.O. Box 321, 2300 AH Leiden, The Netherlands, ISBN 90-5782-011-4, 150 Dutch guilders, 358 pp., hardbound, 111 figures, 11 tables, 22 color p
