1. Cadzow, J.A. (1970) Discrete-Time and Computer Control System, Prentice-Hall, Inc., New York. Cadzow, J.A. (1973) Discrete-Time Systems, Prentice Hall, New Jersey.
2. Fodor, G. (1965) Laplace Transforms in Engineering, Publishing House of the Hungarian Academy of Sciences, Budapest
3. Gibson, R. F., Hwang, S. J. & Sheppard, C. H. (1990) Characterization of creep in polymer composites by use of frequency-time transformations, J. Comp. Mat. 24, 441–53.
4. Morris, L.J. (1983) Computation Method in Elementary Numerical Analysis, John Wiley & Sons, New York.
5. Yu P. and Haddad, Y.M. (1995) A Dynamic system identification method for the characterization of the rheological response of a class of viscoelastic materials, Int. J. Pres. Ves. & Piping 61, 87–97.