1. (1) M. Hamalainen and R. Ilmoniemi : “Interpreting measured magnetic fields of the brain: estimates of current distributions”, Univ. Helsinki, Finland Tech. Rep. TKK-F-A559 (1984)
2. Estimating regional brain activity from evoked potential fields on the scalp
3. (3) A. Gevins, J. Le, N. K. Martin, P. Brickkett, J. Desmond, and B. Reutter : “High-resolution EEG: 124-channel recording, spatial deblurring and MRI integration method”, Electroencephalogr. Clin. Neurophysiol., Vol. 90, pp. 337-358 (1994)
4. MEG-based imaging of focal neuronal current sources
5. (5) G. Edlinger, P. Wach, and G. Pfurtscheller : “On the realization of an analytic high-resolution EEG”, IEEE Trans. Biomed. Eng., Vol. 45, pp. 736-745 (1998-6)