1. P. A. Ekstrom, 1981 “Triggered avalanche detection of optical photons” J. Appl. Phys 52: 6974–6978
2. A. Labeyrie, 1970 “Attainment of diffraction limited resolution in large telescopes by Fourier analysing speckle patterns in star images” Astron. and Astrophys. 6: 85–87
3. M. Lampton and F. Paresce, 1974 “The RANICON detector” Rev. Sci. Instr. 45: 1098
4. B. L. McGlamery, 1970 “Image restoration techniques applied to astronomical photography” in Astronomical Use of Television-Type Image Sensors, V. R. Boscarino, ed. NASA Publication SP-256
5. L. Mertz, 1979 “Speckle imaging, photon by photon” Appl. Opt. 18: 611–614