1. Rohringer, R. and Samborski, D. J.: 1967. Annu. Rev. Phytopathol. 5, 77–86.
2. Kim, W. K. and Rohringer, R.: 1969. Can. J. Bot
47,1425–1433.
3. Samborski, D. J. and Rohringer, R.: 1970. Phytochemistry
9, 1939–1945.
4. Samborski, D. J., Rohringer, R. and Kim, W. K.: 1978. In Plant Disease, Vol. 3, pp. 375–390, Academic Press, New York.
5. Ellingboe, A. H.: 1976. In Physiological Plant Pathology, Encyclopedia of Plant Physiology, Vol. 4 (Heitefuss, R. and Williams, P. H., eds.), pp. 760–778, Springer-Verlag, New York.