A.K.T. Assis, M.A. Bueno: Equivalence between Ampere and Grassmann's forces. In: IEEE Transactions on Magnetics. Band32, Nr.2, März 1996, ISSN0018-9464, S.431–436, doi:10.1109/20.486529.
E. A. Essex: Hertz vector potentials of electromagnetic theory. In: American Journal of Physics. Band45, Nr.11, 1. November 1977, ISSN0002-9505, S.1099–1101, doi:10.1119/1.10955.
Hertzian electromagnetic potentials and associated gauge transformations. In: Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences. Band231, Nr.1185, 22. August 1955, ISSN0080-4630, S.250–263, doi:10.1098/rspa.1955.0170 (royalsocietypublishing.org [abgerufen am 19. Dezember 2023]).
Hertzian electromagnetic potentials and associated gauge transformations. In: Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences. Band231, Nr.1185, 22. August 1955, ISSN0080-4630, S.250–263, doi:10.1098/rspa.1955.0170 (royalsocietypublishing.org [abgerufen am 19. Dezember 2023]).
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A.K.T. Assis, M.A. Bueno: Equivalence between Ampere and Grassmann's forces. In: IEEE Transactions on Magnetics. Band32, Nr.2, März 1996, ISSN0018-9464, S.431–436, doi:10.1109/20.486529.
E. A. Essex: Hertz vector potentials of electromagnetic theory. In: American Journal of Physics. Band45, Nr.11, 1. November 1977, ISSN0002-9505, S.1099–1101, doi:10.1119/1.10955.
Hertzian electromagnetic potentials and associated gauge transformations. In: Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences. Band231, Nr.1185, 22. August 1955, ISSN0080-4630, S.250–263, doi:10.1098/rspa.1955.0170 (royalsocietypublishing.org [abgerufen am 19. Dezember 2023]).