1. Turek FW (1985) Circadian neural rhythms in mammals. 10. Annu Rev Physiol 47: 49–64
2. Pohl H (1996) Circadian and circannual rhythmicity of hibernation in the Turkish hamster, Mesocricetus brandti. In: Geiser F, Hurlbuth AJ, Nicol SC (eds) Adaptations to the cold. University of New England Press, Armidale, 11. pp 87–94
3. Zucker I, Ruby NF, Dark J (1993) The suprachiasmatic nucleus mediates rhythms of hibernation and of daily torpor in rodents. In: Carey C, Florant GL, Wunder BA, 12. Horowitz B (eds) Life in the cold. Westview Press, Boulder, pp 277–289
4. Kilduff TS, Sharp FR, Heller HC (1982) [14C12Deoxyglucose uptake in ground squirrels during hibernation. J Neurosci 2: 143–157
5. Kilduff TS, Miller JD, Radeke CM, et al (1990) 14C–2Deoxyglucose uptake in the ground squirrel brain during entrance to and arousal from hibernation. J Neurosci 10: 2463–2475