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Works Cited

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Costanzo, Jon P., Jacqueline D. Litzgus, and John B. Iverson. "Ice nuclei in soil compromise cold hardiness of hatchling painted turtles (Chrysemys picta)." Ecology v 81 no2 Feb 2000. Oct 3 2003. <http://jeb.biologists.org/cgi/content/abstract/201/22/3105>
Costanzo, Jon P. and Richard E. Lee, Jr. "Biophysical and Physiological Responses Promoting Freeze Tolerance in Vertebrates." News in Physiological Sciences v9 Dec 1994. pg 252-256.

Cohen, Mary. "The Painted Turtle (Chrysemys picta)." Tortuga Gazette 28(10): 1-3, October 1992. California Turtle & Tortoise Club. Oct 3 2003. <http://www.tortoise.org/archives/chrysemy.html>

Dawson, Jeff. "Painted Turtles (Chrysemys picta)."The Turtle Pages. Aug 8 2003. Oct 3 2003. <http://theturtlepages.crosswinds.net/species/c_picta/>
Frazer, Nat B., Judith L. Greene, and J. Whitfield Gibbons "Temporal variation in growth rate and age at maturity of male painted turtles, Chrysemys picta." The American Midland Naturalist v 130 Oct 1993. p. 314-24
Grayson, K. L, and M. E. Dorcas. in review. "Seasonal body temperature variation in the painted turtle." Herpetologica.
Janzen, Fredric J. and Carrie L. Morjan. "Repeatability of microenvironment-specific nesting behaviour in a turtle with environmental sex determination." Animal Behaviour v 62 no1 July 2001. p. 73-82.
Packard, Gary C, and Mary J. Packard. "The overwintering strategy of hatchling painted turtles, or how to survive in the cold without freezing." BioScience v51 no3 March 2001. pg 199-206.Oct 3 2003. <http://giorgio.ingentaselect.com/vl=7811771/cl=35/nw=1/fm=docpdf/rpsv/cw/aibs/00063568/v51n3/s5/p199>

Packard, Gary C., Mary J. Packard, and Leonard L. McDaniel. "Seasonal change in the capacity for supercooling by neonatal painted turtles." The Journal of Experimental Biology v 204 no9 May 2001. pg 1667-72.

Rubinsky, B. J.S. Hong, and K.B. Storey. "Freeze tolerance in turtles visual analysis by microscopy and magnetic resonance imaging." American Journal of Physiology v 267 Oct 1994 pt2. pg R1078-R1088.

Shiels, Andrew L. "A Picta Worth a Thousand Words: Portrait of a Painted Turtle." Commonwealth of Pennsylvania, Fish and Boat Commission. Dec 26 2000. Oct 3 2003. <http://sites.state.pa.us/PA_Exec/Fish_Boat/janfeb2000/porturtl.htm>
Schmidt-Nielson, Knut. Animal Physiology: Adaptation and Environment: 5th Ed. New York: Cambridge University Press, 1997.

Storey, Janet M. and Kenneth B. Storey. "Out cold: the winter life of painted turtles." Natural History Jan 1992. p. 22-5.
Ultsch, Gordon R., Robert W. Hanley, and Thomas R. Bauman. "Responses to anoxia during simulated hibernation in northern and southern painted turtles." Ecology v 66 Apr 1985. p. 388-95