1. Ashman, R., Wilde, W. S. andDrawe, C. E. (1940) Validity of the electrical doublet theory of the cardiac action current.Am. J. Physiol. 128, 547–551.
2. Bauwens, P. (1950) The analysis of action potentials in electromyography.Proc. Instn elect. Engrs 97 (Part I), 217–222.
3. Bayley, R. H. (1939) The potential produced by cardiac muscle. A general and a particular solution.Proc. Soc. exp. Biol. Med. 42, 699–702.
4. Beardwell, A. (1967) The spatial organisation of motor units and the origin of different types of potential.Ann. phys. Med. IX, 139–157.
5. Bernstein, J. (1871)Untersuchungen über des Erregungsvorgang. Heidelberg. Cited byBurdon-Sanderson (1880)J. Physiol. II, 384–435.