BB HEALD, M. A.; MARION, J. B. Classical electromagnetic radiation. 3rd ed. [s. l.]: Thomson Learning, 1995. ISBN 0030972779.
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BC BJORKEN, J. D.; DRELL, S. D. Relativistic quantum mechanics. [s. l.]: McGraw-Hill, 1964.
BC Holstein, B.T. Topics in Advanced Quantum Mechanics, Addison-Wesley, 1992
BC LANDAU, R. H. Quantum mechanics II : a second course in quantum theory. 2nd ed. [s. l.]: John Wiley and Sons, 1996. ISBN 0471116084.
BC Thaller, B. The Dirac equation. Springer-Verlag 1992