1. Blazevic D. J. and G. M. Ederer. 1975. Principles of biochemical tests in diagnostic microbiology p. 79-82. John Wiley & Sons New York.
2. New culture medium for the presumptive identification of Candida albicans and Cryptococcus neoformans;Fleming W. H.;J. Clin. Microbiol.,1977
3. Lodder J. 1971. Utilization of nitrate p. 84. In J. Lodder (ed.) The yeasts. North-Holland Publishing Co. Amsterdam.
4. Morrison R. T. and R. N. Boyd. 1959. Diazonium salts p. 570-584. Organic chemistry. Allyn & Bacon Inc. Boston Mass.
5. Comparison of four methods for determining nitrate utilization by cryptococci;Rhodes J. G.;J. Clin. Microbiol.,1974