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Lua i Stíl Chicago (17ú heag.)KAPILA, I P. ELEMENTS OF STRENGTH OF MATERIALS 5 TH EDI. NEW DELHI: EAST WEST PRESS PVT LTD, 2001.
Lua MLA (9ú heag.)KAPILA, I P. ELEMENTS OF STRENGTH OF MATERIALS 5 TH EDI. EAST WEST PRESS PVT LTD, 2001.
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