Smith 1993, p. 97. Smith, Donald R. (1993). "2". An introduction to continuum mechanics-after Truesdell and Noll. Solids mechanics and its applications. Vol. 22. Springer Science & Business Media. ISBN978-90-481-4314-6.
Smith 1993. Smith, Donald R. (1993). "2". An introduction to continuum mechanics-after Truesdell and Noll. Solids mechanics and its applications. Vol. 22. Springer Science & Business Media. ISBN978-90-481-4314-6.