1. Qian Jing-ren, On coefficients of coupled-wave equations, Acta Electronica Sinica, No.2, 46 (1982)
2. J. I. Ichi and T. Kimura, Polarization behavior in multiply perturbed single-mode fibers, Trans. IEEE QE-18, No.1, 59 (1982)
3. R. Ulrich and A. Simon, Polarization optics of twisted single-mode fibers, Applied Optics, Vol.18, No.13, 2241 (1979)
4. Huang Hung-chia, On local normal modes in optical fiber and film waveguides, Scientia Sinica, Vol.22, No.10, 1147 (1979)
5. Huang Hung-chia, Weak coupling theory of optical fiber and film waveguides, Radio Science, Vol.16, No.4, 495 (1981)