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3. R. A. Smith, Semiconductors (Cambridge Univ. Press, Cambridge, 1978).
4. R. H. Bube, The Photo-Electric Phenomena in Semiconductors (Cambridge Univ. Press, Cambridge, 1992).
5. A. Rogalski et al., Infrared Photon Detectors (SPIE Opt. Engin. Press, Bellingham–Washington USA, 1995).