Wetherbee, B.M. & Gruber, S.H. & Ramsey, A.L. (1987)
X-radiographic observations of food passage through the digestive tracts of lemon sharks.
Transactions of the American Fisheries Society, 116(5), 763–767 DOI: 10.1577/1548-8659(1987)116<763:XOOFPT>2.0.CO;2