Veselago، V. G. (1968). "The electrodynamics of substances with simultaneously negative values of [permittivity] and [permeability]". Soviet Physics Uspekhi. ج. 10 ع. 4: 509–514. Bibcode:1968SvPhU..10..509V. DOI:10.1070/PU1968v010n04ABEH003699.
Veselago، V. G. (1968). "The electrodynamics of substances with simultaneously negative values of [permittivity] and [permeability]". Soviet Physics Uspekhi. ج. 10 ع. 4: 509–514. Bibcode:1968SvPhU..10..509V. DOI:10.1070/PU1968v010n04ABEH003699.