(1)
Tenzin, N.; Bumrungsri, S.; Satasook, C. Geographical Variation within the Species Ratufa bicolor (Sparrman, 1778) Inferred from External and Cranial Morphology (Sciuridae: Ratufinae) in Thailand. Thai. Nat. Hist. Mus. J. 2013, 7, 1-10.