Timoshenko, S. and MacCullough, Gleason H.
Strength of Materials Part -1 : Elementary theory and problems - 3rd Ed. - D. Van Nostrand Company 1962 - xiv, 442
Column-47
Strength of Materials Part -1 : Elementary theory and problems - 3rd Ed. - D. Van Nostrand Company 1962 - xiv, 442
Column-47