Prado Figueroa, M. & Vidal, A.C. & Barrantes, F.J. (1995)
Ultrastructure of Psammobatis extenta (Rajidae) electrolytes and cytochemical localization of acetylcholinesterase, acetylcholine receptor and F-actin. Biocell, 19(2), 113–123

Marcheselli, V. & Daniotti, J.L. & Vidal, A.C. & Maccioni, H. & Marsh, D. & Barrantes, F.J. (1993)
Gangliosides in acetylcholine receptor-rich membranes from Torpedo marmorata and Discopyge tschudii. Neurochemical Research, 18(5), 599–603
DOI: 10.1007/BF00966937