Introductory quantum electrodynamics / [by] E.A. Power. Power, E. A. (Edwin Albert) Quantum electrodynamics. QC680 .P65 537.6 POI Includes index. Bibliography: p. 142-144. London : Longmans, c1964. c1964. 1965 Text x, 147 p. : eng Mathematical physics series Mathematical physics series (American Elsevier)