HawesR. C.GeorgeK. P.NelsonD. C., and BeckwithR., Anal. Chem.38, 1842 (1966).
3.
LandonD. and PortoS. P. S., Appl. Opt.4, 762 (1965).
4.
PaoToh-HanZitterR. N., and GriffithsJ. E., J. Opt. Soc. Am.56, 1133 (1966).
5.
PaoYoh-Han and GriffithsJ. E., J. Chem. Phys.46, 1671 (1967).
6.
GriffithsJ. E., Appl. Spectry.22, 469 (1968).
7.
EberhardtE. H., in a series of Applications Notes available from ITT Industrial Laboratories, considers in detail questions relating to tube design and related noise sources.
8.
SharpeJ., EMI Electronics Ltd., Hayes, Middlesex, England, Document No. CP 5475 (1964) discusses “Dark Current in Photomultiplier Tubes.”