http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Christensen's physics of diagnostic radiology
Thomas S. Curry III, James E. Dowdey, Robert C. Murry, Jr..
Rev. ed. of: Christensen's introduction to the physics of diagnostic radiology. 3rd ed. / Thomas S. Curry III, James E. Dowdey, Robert C. Murry, Jr. 1984