1. Barber, H.B., Donahue, D.J., Woolfenden, J.M., and Silverstein, M.E. 1979. “Miniature Radiation Detectors for Surgical Tumor Staging.” Proceedings of the 32nd Annual Conference on Engineering in Medicine and Biology, Denver, Colorado. Paper 16.8, p. 142.
2. Barrett, H.H., and Swindell, W. 1981, “Radiological Imaging: Theory of Image Formation, Detection, and Processing.” Academic Press, New York.
3. Bowley, A.R., Taylor, C.G., Causer, D.A., Barber, D.C., Keyes, W.L., Undrill, P.E., Corfield, J.R., and Mallard, J.R. 1973. Br. J. Radioloqy 46, pp. 262–271.
4. Budinger, T.F. 1980. “Physical Attributes of Single-Photon Tomography.” J. Nucl. Med. 21, pp. 579–592.
5. Burgess, A.E., Wagner, R.D., Kenning, R.J., and Barlow, H.B. 1981. “Efficiency of Human Visual Signal Discrimination.” Science 214, pp. 93–94.