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	1.	No cover image available Butterflies east of the Great Plains : an illustrated natural history / Paul A. Opler and George O. Krizek by Opler, Paul A Krizek, George O Publication details: Baltimore : Johns Hopkins University Press, 1984 Availability: Items available for loan: PERPUSTAKAAN TUN SERI LANANG (1)Call number: QL549.O64. Place hold
	2.	A field guide to eastern butterflies / Paul A. Opler ; illustrated by Vichai Malikul by Opler, Paul A Malikul, Vichai National Audubon Society National Wildlife Foundation Roger Tory Peterson Institute Series: The Peterson field guide series ; 4 Publication details: Boston : Houghton Mifflin, 1992 Availability: Items available for loan: PERPUSTAKAAN TUN SERI LANANG (1)Call number: QL551.E16O65. Place hold
	3.	No cover image available The leafmining moths of the genus Cameraria associated with Fagaceae in California (Lepidoptera, Gracillariidae) Paul A. Opler and Donald R. Davis by Opler, Paul A Davis, Donald R. (Donald Ray) Series: Smithsonian contributions to zoology ; no. 333 Publication details: Washington Smithsonian Institution Press 1981 Availability: Items available for loan: PERPUSTAKAAN TUN SERI LANANG (1)Call number: QL561.G7O6. Place hold

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