1. Regan D (1972) Evoked potentials in psychology, sensory physiology and medicine. Chapman and Hall: London.
2. Arden GB (1973) The visual evoked response in ophthalmology. Proc Roy Soc Med 66: 1037?1043.
3. Carr RE, Siegel IM (1982) Clinical electrophysiological techniques: a practical guide for the clinician. Williams and Wilkins: Baltimore
4. Halliday AM (1982) Evoked Potentials in Clinical testing. Churchill-Livingstone: Edinburgh.
5. Arden GB, Carter RM, Hogg C, Siegel IM, Margolis S (1979) A Gold Foil electrode: extending the horizons for clinical electroretinography. Invest Ophthalmol and Vis Sci 18: 421?426.