Chopra, A. K. (1997). Dynamics Of Structures Theory And Application To Earthquake Engineering Anil K. Chopra. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Chopra, Anil K. Dynamics Of Structures Theory And Application To Earthquake Engineering Anil K. Chopra. Prentice-Hall, 1997.
Lua MLA (8ú heag.)Chopra, Anil K. Dynamics Of Structures Theory And Application To Earthquake Engineering Anil K. Chopra. Prentice-Hall, 1997.
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