1. Extrinsic i.r. photoconductivity of silicon doped with B, Al, Ga, P, As or Sb;Soref;J. appl. Phys.,1967
2. An i.r. image converter equipped with an array of extrinsic silicon photoconductors;Gerritsen;IEEE Trans Electron Devices ED,1971
3. Linear and nonlinear characteristics of silicon i.r. detectors;Sclar;Rockwell International Report X74-145/034A,1974
4. Infrared Absorption of Semiconductors;Hrostowski,1959
5. Sclar, N. & Banks E., Spectral response of extrinsic detectors (To be published).