References
- J. Conradi, 'Bandwidth-efficient modulation formats for digital fiber transmission systems,' in Optical Fiber Telecommunications IVB, eds. I. Kaminow, T. Li, pp. 862-901, Academic Press, San Diego, 2002
- G. P. Agrawal, Nonlinear Fiber Optics, 3rd ed., Academic Press, San Diego, USA, 200l
- L. W. Couch II, Digital and Analog Communications Systems, 5th ed., Prentice Hall, Upper Saddle River, USA, 1997