Computer-aided design of two dimensional electric-type hyperthermia applicators using the finite-difference time-domain method. - Joseph A. Shaw; Carl H. Durney; Douglas A. Christensen (IEEE Trans. Biomed. Eng., 1991)

Introduction to Biomedical Engineering: Biomechanics and Bioelectricity - Part I - Douglas A. Christensen (Introduction to Biomedical Engineering Part I, 2009)

Introduction to Biomedical Engineering: Biomechanics and Bioelectricity - Part II - Douglas A. Christensen (Introduction to Biomedical Engineering Part II, 2009)