Tham khảo Bioelectromagnetism

  1. Malmivuo, Jaakko; Plonsey, Robert (1994). Bioelectromagnetism: principles and applications of bioelectric and biomagnetic fields. New York: Oxford University Press. ISBN 978-0-19-505823-9.
  2. Myers, Richard (2003). The basics of chemistry. Westport, Conn.: Greenwood Press. tr. 172–4. ISBN 978-0-313-31664-7.