References

Chitty, Dennis.  1996: Do Lemmings Commit Suicide?: Beautiful Hypothesis and Ugly Facts. 

Haim, Abraham. Saarela, Seppo. Hohtola, Esa. Zisapel, Nava. Daily rhythms of oxygen consumption, body temperature, activity and melatonin in the Norwegian lemming Lemmus lemmus under  northern summer photoperiod.  Pages 629-633. Journal of Thermal Biology.

Turchin, P. Oksanen, L. Ekerholm, P. Oksanen, T. Henttonen, H.  Are lemmings prey or predators? Page  562.  Nature.  Nature Publishing Group.

Wiger, R. Engh, C. E. Semb-Johansson, A. Dynamics of freely growing, confined population of the  Norwegian lemming Lemmus lemmus.  Pages 246-260. Oikos.  Blackwell Publishing.

Yoon, Carol.  Scientists find lemmings die as dinners, not suicides. Page 10. New Yorks Times.

Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2008. The Animal Diversity Web (online). Accessed April 25, 2008. http://animaldiversity.ummz.umich.edu/site/accounts/classification/Lemmus.html

IUCN 2007. European Mammal Assessment.  Accessed April 20, 2008. http://ec.europa.eu/environment/nature/conservation/species
/ema/species/lemmus_lemmus.htm

http://animals.jrank.org/pages/3389/Rats-Mice-Relatives-Muridae-NORWAY-LEMMING-Lemmus-lemmus-SPECIES-ACCOUNTS.html

Henttonen, Heikki.  Lemmings: key actors in the arctic food web. Finnish Forest Research Institute.  Accessed April 20, 2008.  http://www.ulapland.fi/?deptid=14766

"lemming." Online . Encyclopædia Britannica Online. Accessed April 24, 2008.  http://www.britannica.com/eb/art-18465/Lemming-migration-along-the-Norwegian-coast?articleTypeId=1