1. The Electroencephalogram: Its Patterns and Origins;Barlow,1993
2. Engineering Applications of Correlation and Spectral Analysis;Bendat,1980
3. The Measurement of Power Spectra;Blackman,1958
4. A Biofeedback Primer;Blanchard,1978
5. Cortical architectonics: General and areal;Braitenberg,1978