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2. Topics in Applied Physics, Vol. 39,1980
3. T. Pearsall, ed., Galn AsP Alloy Semiconductors Wiley, N.Y. (1982).
4. M. J. Howes and D. V. Morgan, eds., Optical Fibre Communications, Wiley, Chichester (1980).
5. G. H. B. Thompson, Physics of Semiconductor Laser Devices, Wiley, Chichester (1980).