1. D. Cohen, Y. Palti, N. Cuffin andS. J. Schmid:Proc. Natl. Acad. Sci. USA,77, 1447 (1980).
2. P. J. Karp, T. E. Katila, P. Makipaa andP. Saar:Magneto-oculography: detection of the d.c.magnetic field of the eye, inDigest of the XII nternational Conference on Medical and Biological Engineering, Published by the Conference Committee, Medical Engineering Section, National Research Council (Bdg. M-50, Ottawa, Canada, 1976).
3. L. F. Jaffe andR. Nuccitelli:Annu Rev. Biophys. Bioeng.,6, 455 (1977).
4. C. T. Brighton, J. Black, Z. B. Friedenberg, J. L. Esterhai, L. J. Day andJ. F. Connolly:J. Bone Jt. Surg. Am. Vol.,63, 2 (1981).
5. C. T. Brighton:J. Bone. Jt. Surg. Am. Vol.,63, 847 (1981).