1.                “X-Rays”; www.colorado.edu/physics/2000/xray; Wednesday, February 18, 2004

2.                “Computed Axial Tomography”; http://en.wikipedia.org/wiki/Computed_axial_tomography; Thursday, February 19, 2004

3.                Partain, Leon C; “Magnetic Resonance Imaging”; Microsoft Encarta Encyclopedia 2002

4.                Watson, Earnest C; Suchy John T; “X-Ray”; Microsoft Encarta Encyclopedia 2002

5.                “Magnetic Resonance Imaging” and “Computed Tomography”; http://www.radiologyimagingassoc.com/procedures; Monday, March 1, 2004

6.                U.S. Food and Drug Administration-Center for Devices and Radiological Health; “We Want You to Know about X-rays: Get the Picture on Protection”; CDRH Consumer Information; November 3, 1999; http://www.fda.gov/cdrh/consumer/xraybrochure.html; Wednesday, March 3, 2004

7.                “X-ray: Applications of X-Rays”; Columbia Encyclopedia Sixth Edition; ©2004; www.encyclopedia.com; Wednesdy, March 3, 2004

8.                Kottra, Christopher L; “Computer Tomography”; Microsoft Encarta Encyclopedia 2002

9.                Hornack, J.P; The Basics of MRI; “Chapter 13: Your MRI Exam”; ©1996-2004; http://www.cis.rit.edu/htbooks/mri/chap-13/chap-13.htm; Thursday, March 4, 2004

10.           Gould, Todd A; “How MRI Works”; http://www.howstuffworks.com/mri.htm; Thursday, March 4, 2004

11.           EMRF Online; “Are there Other than Medical Applications of Magnetic Resonance?”; http://www.emrf.org/FAQs%20Non-medical%20Applications.html; Sunday, March 7, 2004

12.    Segrè Emilio; From X-Rays to Quarks: Modern Physicists and Their Discoveries; W.H. Freeman and Company, San Francisco; ©1980