1. Canva M., Le Saux G., Georges P., Brun A., Chaput F. and Boilot J.R (1992) Optics Lett., 17, 218–220
2. Neporent B.S., Stolbova O.V. (1961) Opt. Spectrosc., 10, 146 and (1963)
3. Neporent B.S., Stolbova O.V. (1961) Opt. Spectrosc., 14, 331.
4. Makushenko A.M., Neporent B.S., Stolbova O.V. (1971) Opt. Spectrosc. 31, 295 and 31, 397.
5. Dumont M. and Sekkat Z. (1992) Dynamical study of photoinduced anisotropy and orientational relaxation of azo-dyes in polymeric films. Poling at room temperature, SPIE proceedings, 1774 p 188–199.