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- [7] DETECTION OF BEET NECROTIC YELLOW VEIN VIRUS IN SOIL COMMUNICATIONS OF THE FACULTY OF AGRICULTURAL SCIENCES OF THE STATE UNIVERSITY OF GHENT, VOL 52, PTS 1-4: 1987 INTERNATIONAL SYMPOSIUM ON CROP PROTECTION, 1987, 39 : 991 - 995
- [10] DETECTION OF BEET MILD YELLOWING VIRUS AND BARLEY YELLOW DWARF VIRUS IN VECTORS BY ELISA ARCHIV FUR PHYTOPATHOLOGIE UND PFLANZENSCHUTZ-ARCHIVES OF PHYTOPATHOLOGY AND PLANT PROTECTION, 1985, 21 (04): : 331 - 333