@Article{tirsch00bio, author = {W.S. Tirsch and M. Keidel and S. Perz and H. Scherb and G. Sommer}, title = {Inverse covariation of spectral density and correlation dimension in cyclic {EEG} dynamics of the human brain}, journal = {Biological Cybernetics}, year = 2000, volume = 82, pages = {1-14} }