1. Internal conical refraction of bounded light beams in biaxial crystals;Belsky;Opt. Spectrosc. (USSR),1978
2. Internal conical refraction of coherent light beams;Belsky;Opt. Commun.,1999
3. Internal conical refraction of light beams in biaxial gyrotropic crystals;Belsky;Opt. Commun.,2002
4. Semiclassical Mechanics of regular and irregular motion;Berry,1983
5. Quantal phase factors accompanying adiabatic changes;Berry;Proc. Roy. Soc. Lond. A,1984