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Frentiu, Francesca D.; Adriana D. Briscoe (2008). "A butterfly eye's view of birds". BioEssays. 30 (11–12): 1151–62. doi:10.1002/bies.20828. PMID18937365.
Meyer-Rochow, V.B. (1974). "Structure and function of the larval eye of the sawfly larva Perga". Journal of Insect Physiology. 20 (8): 1565–1591. doi:10.1016/0022-1910(74)90087-0. PMID4854430.