CHURCH, A. H. (1963). Mechanical vibrations.-- Ed.2. John Wileyy and Sons.
Lua i Stíl Chicago (17ú heag.)CHURCH, Austin H. Mechanical Vibrations.-- Ed.2. New York: John Wileyy and Sons, 1963.
Lua MLA (9ú heag.)CHURCH, Austin H. Mechanical Vibrations.-- Ed.2. John Wileyy and Sons, 1963.
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