1. Retinal noise and absolute threshold;Barlow;J. opt. Sac. Am.,1956
2. The Measurement of Power Spectra;Blackman,1958
3. History and present status of quantum theory in vision;Bouman,1961
4. Resting potential of the lens;Brindley;Br. J. Ophthal.,1956
5. Random Signals and Noise;Davenport,1958