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♦ ¹Behavior and Ecology of Wild Slow Lorises (Nycticebus coucang): Social Organization, Infant Care System, and Diet, Frank Wiens, Dissertation presented to the Faculty of Biology, Chemistry and Geosciences of Bayreuth University in partial fulfillment of the requirements for the degree of Doctor of Natural Sciences (February 2002)
♦ ²Nandini, R., and N. Parthasarathy. "Food habits of the Indian giant flying squirrel (Petaurista philippensis) in a rain forest fragment, Western Ghats." Journal of Mammalogy 89.6 (2008): 1550+. Academic OneFile. Web. 15 July 2014.