References

Books

1. Singh, Arbind. Mechanics of Solids. City: Prentice-Hall of India Pvt.Ltd, 2007.
2. Wempner, Gerald. Mechanics of Solids with Applications to Thin Bodies. Alphen Aan Den Rijn: Sijthoff & Noordhoff, 1981.

Webliography

1. [Shear Modulus](https://en.wikipedia.org/wiki/Shear_modulus)
2. www.ejsong.com/mdme/MEMmods/MEM23061A/Torsion/Torsion.html