Hawryshyn, C.W. (1998). Vision, in: Evans, D.H. (Ed.) The physiology of fishes. pp. 345-374
In: Evans, D.H. (Ed.) (1998). The physiology of fishes. Second edition. CRC Marine Science Series, 9. CRC Press: Boca Raton. ISBN 0-8493-8427-3. 519 pp., more