Seitz, A. Band 9: Abt. 2, Die exotischen Großschmetterlinge, Die indo-australischen Tagfalter, 1927, 1197 Seiten 177 Tafeln pdf This article incorporates text from this source, which is in the public domain.
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P. Vukusic, J. R. Sambles, C. R. Lawrence, R. J. Wootton (2001) Sculpted-multilayer optical effects in two species of Papilio butterfly. Applied Optics 40:1116-1125 "Archived copy"(PDF). Archived from the original(PDF) on 2007-02-22. Retrieved 2007-11-01.{{cite web}}: CS1 maint: archived copy as title (link)
P. Vukusic, J. R. Sambles, C. R. Lawrence, R. J. Wootton (2001) Sculpted-multilayer optical effects in two species of Papilio butterfly. Applied Optics 40:1116-1125 "Archived copy"(PDF). Archived from the original(PDF) on 2007-02-22. Retrieved 2007-11-01.{{cite web}}: CS1 maint: archived copy as title (link)