Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HAMALAINEN MS,"Magnetoencephalography-theory, instrumentation, and applications to noninvasive studies of the working human brain",Rev Mod Phys.,,,1993,65,,413-498,https://cir.nii.ac.jp/crid/1574231875644440192,