1. Aczel, J., Dhombres, J.: Functional Equations in Several Variables. Cambridge University Press, Cambridge (1989)
2. Feynman, R., Leighton, R., Sands, M.: The Feynman Lectures on Physics. Addison Wesley, Boston (2005)
3. Guzzarlapudi, S.D., Adigopula, V.K., Kumar, R.: Comparative study of flexible pavement layers moduli backcalculation using approximate and static approach. In: Thomas, B.S., Vyas, R., Goswami, P.K., Cseteny, L.J. (eds.) Proceedings of the International Conference on Recent Trends in Engineering and Material Sciences (ICEMS’2016), Jaipur, India, 17–19 March 2016, Published in Material Today Proceedings, 2017, vol. 4, no. 9, pp. 9812–9816 (2016)
4. Odemark, N.: Investigations as to the Elastic Properties of Soils and Design of Pavements According to the Theory of Elasticity. Staten Vaeginstitut, Stockholm (1949)
5. Thorne, K.S., Blandford, R.D.: Modern Classical Physics: Optics, Fluids, Plasmas, Elasticity, Relativity, and Statistical Physics. Princeton University Press, Princeton (2017)