Sphere. (2004, November 23). Retrieved April 30, 2024, from http://www.essayworld.com/essays/Sphere/17940
"Sphere." Essayworld.com. Essayworld.com, 23 Nov. 2004. Web. 30 Apr. 2024. <http://www.essayworld.com/essays/Sphere/17940>
"Sphere." Essayworld.com. November 23, 2004. Accessed April 30, 2024. http://www.essayworld.com/essays/Sphere/17940.
"Sphere." Essayworld.com. November 23, 2004. Accessed April 30, 2024. http://www.essayworld.com/essays/Sphere/17940.