References
Thorp, David H., and Alan P. Covich, eds. Ecology and Classification of North American Freshwater Invertebrates. Third ed. N.p.: Elsevier Inc., 2010. 455-84. Print.
Hickman, Jr., Cleveland P., Larry S. Roberts, Susan L. Keen, Allan Larson, and David J. Eisenhour. Animal Diversity. Sixth ed. New York, New York: McGraw-Hill, 2012. 241-42. Print.
Gabriel, Willow N., Robert
McNuff, Sapna K. Patel, T R. Gregory, William R. Jeck, Corbin D.
Jones, and Bob Goldstein. "The tardigrade Hypsibius dujardini, a new
model for studying the evolution of development." Developmental
Biology312.2 (2007): 545-59. Web. <http://www.sciencedirect.com/science/article/pii/S001216060701408X >.
Accessed 4 April 2013
Jönsson, K I., and Roberto
Bertolani. "Facts and Fiction about long-term survival in
tardigrades." Journal of Zoology 255.1 (2001): 121-23. Web. <http://onlinelibrary.wiley.com/store/10.1017/S0952836901001169/asset/S0952836901001169.pdf?v=1&t=hfet7a6s&s=a59829fdbdf4622d8f7f08f9e75616eea703a80e >.
Accessed 5 April 2013
Halberg, Kenneth A., Dennis
Persson, Hans Ramlov, Peter Westh, Reinhardt M. Kristensen, and
Nadja Mobjerg. "Cyclomorposis in Tardigrada: adaption to
environmental constraints." Journal of Experimental Biology 212
(2009): 2803-11. Web. <http://jeb.biologists.org/content/212/17/2803.full.pdf >.
Accessed 12 Mar. 2013
Shaw, Mike. "How to find
Tardigrades." Microbe Hunter Oct. 2011: 4-7. <http://www.tardigrade.us/Microbehunter_2011_10-TardigradeArticle.pdf >.
Accessed 1 Apr. 2013
Encyclopedia of Life 2013. <http://eol.org/pages/1053826/overview >.
Accessed 20 March 2013
Creature Survives Naked in
Space 2008. <http://www.space.com/5817-creature-survives-naked-space.html >.
Accessed 1 April 2013
Flickr 2013. <http://www.flickr.com/photos/waterbears/with/1139549960/#photo_1139549960 >.
Accessed 6 March 2013