1. J. M. Schonkeren: “Photomultipliers” Philips Application Book Series ed. by H. Kater and L. J.
2. Thompson (Philips Eindhoven, The Netherlands 1970)
3. EMI Photomultiplier Catalog 1979, EMI Industrial Electronics, Ltd., Bury Street, Ruslip, Middlesex, HA4 7TA, England
4. Photomultiplicateurs,RTC Photomultiplicateurs, 130 Av. Ledru-Rollin, 75540, Paris CEDEX 11, France
5. S. Dhawan: IEEE Trans. Nucl. Sci. NS-28, 672 (1981)