1. M. V. Ryabko, V. A. Isaev, Yu. I. Chamorovskii, and S. A. Nikitov, Opt. Spectrosc., 102, No. 1, 112 (2007).
2. T. Okosi, K. Okamoto, M. Otsu, et al., Fiber-Optic Sensors [Russian translation], Énergoizdat, Leningrad (1990).
3. S. Ezekiel and H. J. Arditty, eds., Fiber-Optic Rotation Sensors, Springer-Verlag, Berlin (1982).
4. H. Lefevre, The Fiber-Optic Gyroscope, Artech House, Boston, London (1993).
5. G. B. Malykin and V. I. Pozdnyakova, Polarization Effects in Ring Interferometers [in Russian], Inst. Appl. Phys. Rus. Acad. Sci., Nizhny Novgorod (2008).