1. H.Z. Cummins, E.R. Pike (eds.):Photon Correlation and Light Beating Spectroscopy (Plenum, New York 1974)
2. H.Z. Cummins, E.R. Pike (eds.):Photon Correlation Spectroscopy and Velocimetry (Plenum, New York 1977)
3. Springer Ser. Opt. Sci.,1983
4. An Introduction to the Photomultiplier, EMI Electronics Ltd.
5. I. DeLotto, P.F. Manfredi, P. Principio: Energia Nucl.11, 557 (1964)