1. T. Yogi, T.A. Hguyen, S.E. Lambert, G.L. Gorman and G. Castillo, IEEE Trans.on Magn. MAG-26, 1578 (1990) and the same issue page 2271.
2. C.H. Bajorek, IBM Technical report, TR 07.903, (1988)
3. Introduction to Magnetic Recording, ed. R.M. White, IEEE Press, New York, (1985);
4. J.C. Mallison, The Foundations of Magnetic Recording, Academic press, Inc, London, (1987)
5. C.D. Mee and E.D. Daniel, Magnetic Recording, Vol I-III, McGraw Hill Publishing Company, (1987–1988); and the updated edition, Magnetic Recording Handbook, Technology & Applications (1990)