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Lua i Stíl Chicago (17ú heag.)Popov, Egor P. Engineering Mechanics of Solids Egor P.Popov, Toader A.Balan. Prentice Hall, 1999.
Lua MLA (8ú heag.)Popov, Egor P. Engineering Mechanics of Solids Egor P.Popov, Toader A.Balan. Prentice Hall, 1999.
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