1. Ordered states of a nematic liquid;Freiser;Phys. Rev. Lett.,1970
2. Successive transitions in a nematic liquid;Freiser;Mol. Cryst. Liq. Cryst.,1971
3. Observation of a biaxial nematic phase in potassium laurate-1-decanol-water mixtures;Yu;Phys. Rev. Lett.,1980
4. Nématic biaxe thermotrope;Malthête;C. R. Acad. Sci. Paris.,1986
5. A biaxial nematic liquid crystal;Chandrasekhar;Pramana.,1988