Rice, M.E. & Nicholson, C. (1988)
Behavior of extracellular K+ and pH in skate (Raja erinacea) cerebellum. Brain Research, 461(2), 328–334
DOI: 10.1016/0006-8993(88)90263-6

Nicholson, C. & Llina's, R. (1969)
Inhibition of Purkinje cells in the cerebellum of elasmobranch fishes. Brain Research, 12(2), 477–481
DOI: 10.1016/0006-8993(69)90018-3