Kirschfeld, K Former Department Comparative Neurobiology, Max Planck Institute for Biological Cybernetics, Max Planck Society; Max Planck Institute for Biological Cybernetics, Max Planck Society;
https://link.springer.com/content/pdf/10.1007%2Fs00422-005-0547-1.pdf (Verlagsversion)
Kirschfeld, K. (2005). The physical basis of alpha waves in the electroencephalogram and the origin of the "Berger effect". Biological Cybernetics, 92(3), 177-185. doi:10.1007/s00422-005-0547-1.