● Swings J, De Vos P, Van den Moorter M, De Ley J (1983). Transfer of Pseudomonas maltophilia Hugh 1981 to the genus Xanthomonas as Xanthomonas maltophilia (Hugh 1981) comb. nov. Int. J. Syst. Bacteriol. 33, 409–413.
● Moniz L (1963). Leaf spot of apple blossom. Current Science 32, 177.