Flügel, C. & Lütjen-Drecoll, E. & Zadunaisky, J.A. & Wiederholt, M. (1989)
Regional differences in the morphology and enzyme distribution of the spiny dogfish (Squalus acanthias) ciliary epithelium. Experimental Eye Research, 49(6), 1097–1114
DOI: 10.1016/S0014-4835(89)80029-6