Dewan, Edmond M.; Beran, Michael J. Note on stress effects due to relativistic contraction. American Journal of Physics (American Association of Physics Teachers). March 20, 1959, 27 (7): 517–518. Bibcode:1959AmJPh..27..517D. doi:10.1119/1.1996214.
Dewan, Edmond M.; Beran, Michael J. Note on stress effects due to relativistic contraction. American Journal of Physics (American Association of Physics Teachers). March 20, 1959, 27 (7): 517–518. Bibcode:1959AmJPh..27..517D. doi:10.1119/1.1996214.