1. Alberghina A, Mazzucchi U, Pupillo P. 1973. On the effect of an endopolygalacturonate trans-eliminase on potato tissue: the influence of water potential. Phytopathol. Z. 78:204–213.
2. Aleck JR, Harrison MD. 1978. The influence of inoculum density and environment on the development of potato blackleg. Am. Potato J. 55:479–494.
3. Bateman DF, Basham HG. 1976. Degradation of plant cell walls and membranes by microbial enzymes. In: Heitefuss R and Williams PH (eds.), Encyclopedia of Plant Physiology, Vol. 4, pp. 316–355.
4. Bertheau Y, Expert D, Kotoujansky A, Andro T, Diolez A, Ballas C, Coleno A. 1984. Pectinolyse et pouvoir pathogene chez Erwinia chrysanthemi. Med. Fac. Landbouw. Rijksuniv. Gent. 49:573–586.
5. Boucher C, Barberis P, Trigalet A, Demery D. 1984. Tn5-induced avirulent mutants of Pseudomonas solanacearum. Abs. 2nd International Symposium on the Molecular Genetics of the Bacteria-Plant Interaction, p. 123.