(en) Szychowski, J. A.; McKenry, M. V.; Walker, M. A.; Wolpert, J. A.; Credi, R.; Semancik, J. S., « The vein-banding disease syndrome : A synergistic reaction between grapevine viroids and fanleaf virus », Vitis, vol. 34, no 4, , p. 229-232 (ISSN0042-7500, lire en ligne [PDF]).
vitis-vea.de
(en) Szychowski, J. A.; McKenry, M. V.; Walker, M. A.; Wolpert, J. A.; Credi, R.; Semancik, J. S., « The vein-banding disease syndrome : A synergistic reaction between grapevine viroids and fanleaf virus », Vitis, vol. 34, no 4, , p. 229-232 (ISSN0042-7500, lire en ligne [PDF]).