Wachtel, A. & Mathewson, R. & Grundfest, H. (1961)
Electron microscopic and histochemical comparison of the two types of electroplaques of Narcine brasiliensis. Journal of Biophysical and Biochemical Cytology, 11(3), 663–675
Mathewson, R. & Mauro, A. & Amatniek, E. & Grundfest, H. (1958)
Morphology of main and accessory electric organs of Narcine brasiliensis (Olfers) and some correlations with their electrophysiological properties. Biological Bulletin, 115(1), 126–135