1. Adanson, M.: Histoire naturelle du Sénégal. Paris: Buache 1757.
2. Agalides, E.: Investigation of electric and magnetic sensitive fishes. Final Report submitted to Office of Naval Research, Biology Branch, Washington, D. C. 1965.
3. Babuchin, A.: Beobachtungen und Versuche am Zitterwels und Mormyrus des Nils. Arch. Anat. u. Physiol., Physiol. Abt. 250?273 (1877).
4. Ballowitz, E.: Das elektrische Organ des afrikanischen Zitterwelses (Malopterurus electricus, Lacépêde). Jena: Gustav Fischer 1899.
5. Bardach, J. E., and J. Case: Sensory capability of the modified fins of Squirrel Hake (Urophycis chuss) and Searobins (Prionotus carolinus and Prionotus evolans). Copeia 194?206 (1965).