Patrick Cornille (1993). "Inhomogenous waves and Maxwell's equations". In Akhlesh Lakhtakia (ed.). Essays on the Formal Aspects of Electromagnetic Theory. World Scientific. p. 149. ISBN 981-02-0854-5. 981-02-0854-5
Comoving frames and the Lorentz–Fitzgerald contraction American Journal of Physics 87, 5 (2019); https://doi.org/10.1119/1.5082535 https://doi.org/10.1119/1.5082535
Patrick Cornille (1993). "Inhomogenous waves and Maxwell's equations". In Akhlesh Lakhtakia (ed.). Essays on the Formal Aspects of Electromagnetic Theory. World Scientific. p. 149. ISBN 981-02-0854-5. 981-02-0854-5
Rudman, John W. (1999), The General Relativity of General Relativity, Princeton: Princeton University Press
Meadow, Daniel A., and J. S. Huxley (1982), 'Introduction to Einstein's Theory of Relativity', In: J. S. Huxley (ed.), Relativity Theory, London: Chapman & Hall, ISBN 0-415-0288-9