1. H. Larsen, in The Bacteria Vol. VI, eds. I.C. Gunsalus and R.Y. Stanier, Academic Press, New York (1969) 297.
2. H. Larsen, FEMS Microbiol. Rev. 39 (1986) 3.
3. D.J. Kushner, in Microbial Life in Extreme Environments, ed. D.J. Kushner, Academic Press, New York (1978) 317.
4. F. Rodriguez-Valera, in Halophilic Bacteria Vol. I, ed. F. Rodriguez-Valera, CRC Press, Boca Raton, FL (1988) 3.
5. F. Maclntyre, Sci. Am. 223(1970) 104.