RAJU N KRISHNA. (2012). PRESTRESSED CONCRETE (5TH ED.). MCGRAW HILL EDUCATION PVT LTD.
Lua i Stíl Chicago (17ú heag.)RAJU N KRISHNA. PRESTRESSED CONCRETE. 5TH ED. NEW DELHI: MCGRAW HILL EDUCATION PVT LTD, 2012.
Lua MLA (9ú heag.)RAJU N KRISHNA. PRESTRESSED CONCRETE. 5TH ED. MCGRAW HILL EDUCATION PVT LTD, 2012.
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