Hatori , M., Y. Miyasaka, I. Kimura, R. A. Smith, and S. Kokubun. “Field Distribution of Compound Muscle Action Potentials of the Calf Muscles in Rabbits”. Upsala Journal of Medical Sciences, vol. 109, no. 2, July 2009, pp. 131–140, doi:10.3109/2000-1967-103.