McDonald, Kirk T. (1997), «The relation between expressions for time-dependent electromagnetic fields given by Jefimenko and by Panofsky and Phillips», American Journal of Physics, 65 (11): 1074–1076, Bibcode:1997AmJPh..65.1074M, doi:10.1119/1.18723 and «pdf link»(PDF). Consultado em 1 de junho de 2010.
McDonald, Kirk T. (1997), «The relation between expressions for time-dependent electromagnetic fields given by Jefimenko and by Panofsky and Phillips», American Journal of Physics, 65 (11): 1074–1076, Bibcode:1997AmJPh..65.1074M, doi:10.1119/1.18723 and «pdf link»(PDF). Consultado em 1 de junho de 2010.
McDonald, Kirk T. (1997), «The relation between expressions for time-dependent electromagnetic fields given by Jefimenko and by Panofsky and Phillips», American Journal of Physics, 65 (11): 1074–1076, Bibcode:1997AmJPh..65.1074M, doi:10.1119/1.18723 and «pdf link»(PDF). Consultado em 1 de junho de 2010.
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Eduardo Miranda (6 de abril de 2021). «Calibre de Lorenz»(PDF). Unicamp. Consultado em 1 de julho de 2023