Graeber, R.C. & Ebbesson, S.O.E. (1972)
Retinal projections in the lemon shark (Negaprion brevirostris). Brain, Behavior and Evolution, 5(6), 461–477
DOI: 10.1159/000123762
Ebbesson, S.O.E. & Heimer, L. (1970)
Projections of the olfactory tract fibers in the nurse shark (Ginglymostoma cirratum). Brain Research, 17(1), 47–55
DOI: 10.1016/0006-8993(70)90307-0
Ebbesson, S.O.E. & Ramsey, J.S. (1968)
The optic tracts of two species of sharks (Galeocerdo cuvier and Ginglymostoma cirratum). Brain Research, 8(1), 36–53
DOI: 10.1016/0006-8993(68)90171-6