Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 8 references without a DOI — listed, not checked
no DOI — not checkedAhonen, A. I., Hämäläinen, M. S., Kajola, M. J., Knuutila, J. E. T., Laine, P. P., Lounasmaa, O. V., Simola, J. T., Tesche, C. D. andVilkman, V. A. (1992): ‘A 122-channel magnetometer covering the whole head’in Dittmar, A. andFroment, J. C. (Eds.): Proc. Satellite Symp. on Neuroscience and Technology, 14th Annual Conf. of the IEEE Engineering in Medicine and Biology Society (IEEE Engineering in Medicine and Biology Society, Lyon) pp. 16–20
no DOI — not checkedCuffin, B. N., andCohen, D. (1977): ‘Magnetic fields of a dipole in special volume conductor shapes,’IEEE Trans.,BME-24, pp. 372–381
no DOI — not checkedHämäläinen, M. S. andIlmoniemi, R. J. (1984): ‘Interpreting measured magnetic fields of the brain: estimates of current distributions.’ Technical Report TKK-F-A559, Helsinki University of Technology
no DOI — not checkedIlmoniemi, R. J., andNumminen, J. K. (1992): ‘Synthetic magnetometer channels for standard representation of data’in Hoke, M., Erné, S. N., Okada, Y. C. andRomani, G. L. (Eds.): ‘Biomagnetism 91: clinical aspects’ (Elsevier, Amsterdam) pp. 793–796
no DOI — not checkedIlmoniemi, R. J., Hämäläinen, M. S., andKnuutila, J. (1985): ‘The forward and inverse problems in the spherical model’in Weinberg, H., Stroink, G. andKatila, T. (Eds.): ‘Biomagnetism: applications & theory’ (Pergamon Press, New York) pp. 278–282
no DOI — not checkedJeffs, B., Leahy, R., andSingh, M. (1987): ‘An evaluation of methods for neuromagnetic image reconstruction,’IEEE Trans.,BME-34, pp. 713–723
no DOI — not checkedMalmivuo, J. (1976): ‘On the detection of the magnetic heart vector—an application of the reciprocity theorem’. PhD Thesis, Acta Polytechnica Scandinavica, Electrical Engineering Series 39, Finnish Academy of Technical Sciences, Helsinki.
no DOI — not checkedPlonsey, R. (1969): ‘Bioelectric phenomena’ (McGraw-Hill, New York) p. 212
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