Egor P.Popov, Engineering Mechanics of Solids, Second Edition
http://en.wikipedia.org/wiki/Solid_mechanics
http://en.wikipedia.org/wiki/Euler%E2%80%93Bernoulli_beam_theory
http://en.wikipedia.org/wiki/Timoshenko_beam_theory
http://nptel.ac.in/courses/112107147/
http://en.wikipedia.org/wiki/Pure_bending
http://en.wikipedia.org/wiki/Mohr%27s_circle