Yew, D.T. & Chan, Y.W. & Lee, M. & Lam, S. (1984)
A biophysical, morphological and morphometrical survey of the eye of the small shark (Hemiscyllium plagiosum). Anatomischer Anzeiger, 155(3), 355–363

Yew, D.T. & Liu, H.C. & Lam, S.T. (1983)
The morphology and maturation of the optic tectum of the small shark (Hemiscyllium plagiosum): a morphometrical, ultrastructural and histochemical study. Anatomischer Anzeiger, 154(5), 397–411

Jen, L.S. & So, K.F. & Yew, D.T. & Lee, M. (1983)
An autoradiographic study of the retinofugal projections in the shark, Hemiscyllium plagiosum. Brain Research, 274(1), 135–139
DOI: 10.1016/0006-8993(83)90528-0

Yew, D.T. (1982)
Development of the eyes in Agnatha and Chondrichthyes (Elasmobranchia). Anatomischer Anzeiger, 151(3), 231–239