W. J. Tompkins (ed.) Biomedical Digital Signal Processing: C Language Examples and Laboratory Experiments for the IBM PC. Prentice Hall, Englewood Cliffs, NJ, 1993.
John W., Jr Clark, Michael R. Neuman. Medical Instrumentation: Application and Design. John G. Webster (ed.). John Wiley & Sons, Inc. NY, NY, 2000.
Robert C. Weast Biomedical Engineering Handbook, Volume II. Joseph D. Bronzino (ed.), IEEE Press. NY, 2001