^Martin, E.A. (编), Macmillan Dictionary of Life Sciences 2nd, London: Macmillan Press: 362, 1983, ISBN 0-333-34867-2
^Menzel, Randolf, Spectral Sensitivity and Color Vision in Invertebrates, H. Aurum (editor) (编), Comparative Physiology and Evolution of Vision in Invertebrates- A: Invertebrate Photoreceptors, Handbook of Sensory Physiology VII/6A, New York: Springer-Verlag: 503–580. See section D: Wavelength–Specific Behavior and Color Vision, 1979, ISBN 3-540-08837-7