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2. East of Eden: Asia as an important center of taxonomic origination in mammalian evolution;Beard;Bull. Carnegie Mus. Nat. Hist.,1998
3. A new genus of Tarsiidae (Mammalia: Primates) from the middle Eocene of Shanxi Province, China, with notes on the historical biogeography of tarsiers;Beard;Bull. Carnegie Mus. Nat. Hist.,1998
4. The first Asian plesiadapoids (Mammalia: Primatomorpha);Beard;Ann. Carnegie Mus.,1995
5. New basicrania of Paleocene-Eocene Ignacius: re-evaluation of the plesiadapiform-dermopteran link;Bloch;Am. J. Phy. Anthro.,2001