RAMAMRUTHAM S. (1977). STRENGTH OF MATERIALS. DHANPAT RAI.
Lua i Stíl Chicago (17ú heag.)RAMAMRUTHAM S. STRENGTH OF MATERIALS. DELHI: DHANPAT RAI, 1977.
Lua MLA (9ú heag.)RAMAMRUTHAM S. STRENGTH OF MATERIALS. DHANPAT RAI, 1977.
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