Study of various leads and electrode position for monitoring of electroencephalogram (EEG).
- Leslie Cromwell, Fred J. Weibell, Erich A. Pfeiffer , "Biomedical Instrumentation And Measurements", Prentice Hall, 2nd ed. 1980
 - R. S. Khandpur, "Biomedical Instrumentation:Technology and Applications", Tata McGraw-Hill, 2nd ed. 2003
 - John G. Webster, "Medical Instrumentation: Application and Design", John Wiley & Sons, 4th ed. 2010
 - 10-20 channel EEG explain: https://www.youtube.com/watch?v=utZXIzn7VmM
 - Electroencephalogram(EEG): https://en.wikipedia.org/wiki/Electroencephalography