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2. Islands and cicadas adrift in the West Pacific. Biogeographic patterns related to plate tectonics;De Boer;Tijdschrift voor Entomologie,1995
3. The continental Asian element in the fauna of the Philippines as exemplified by Coladenia Moore, 1881 (Lepidoptera, Hesperiidae);De Jong;Cladistics,1996
4. The Hesperiidae (Lepidoptera) of the Philippines;De Jong;Zoologische Verhandelingen,1993