1. A. H. Sommer: Photoemissive Materials (John Wiley and Sons, New York, London, Sydney, Toronto 1968) p. 222 ff.
2. RCA Photomultiplier Manual (RCA, Electronic Components, Harrison, New Jersey 1970) p. 3 ff.
3. RCA Electro-Optics Handbook (RCA, Commercial Engineering, Harrison, New Jersey 1974), pp. 145 ff. and pp. 173 ff.
4. H. Sonnenberg: IEEE Solid State Circ. SC-5, 272 (1970)
5. RCA Electro-Optics Handbook (RCA, Commercial Engineering, Harrison, New Jersey 1974) p. 145