1. Heat Transfer in Counter Flow, Parallel Flow and Cross Flow;Hausen,1983
2. M.T. Zarrinehkafsh, Design and construction of a fixed bed regenerator for heat recovery, M.Sc. Thesis, Tarbiat Modarres University, Tehran, Iran, 1999
3. Thermal Energy Storage and Regeneration;Schmidt,1981
4. Die theorie des widerhitzers;Nusselt;Z. Ver. Deut. Ing.,1927
5. J. Crack, P. Nicolson, A practical method for numerical evaluation of partial differential equations of the heat conduction type, Proc. Comb. Phil. Soc. Math. Phys. Sci., 1947, p. 43