1. Ahlfors, S. P., Ilmoniemi, R. J., andHämäläinen, M. S. (1992): ‘Estimates of visually evoked cortical currents’,Electroenceph. Clin. Neurophysiol.,82, pp. 225–236
2. Arthur, R. M. (1968): ‘Evaluation and use of a human dipole plus quadrupole equivalent cardiac generator’. PhD Thesis, University of Pennsylvania, pp. 139–140
3. De Munck, J. C. (1992): ‘a linear discretisation of the volume conductor boundary integral equation using analytically integrated elements’,IEEE Trans.,BME-39, pp. 986–990
4. Geselowitz, D. B. (1970): ‘On the magnetic field generated outside an inhomogeneous volume conductor by internal current sources’, —ibid.,MAG-6, pp. 346–347
5. Hämäläinen, M. S., andIlmoniemi, R. J. (1984): ‘Interpreting measured magnetic fields of the brain: estimates of current distributions’. Report TKK-F-A559, Helsinki University of Technology