Thompson, Ambler, Early, Edward A., DeLuisi, John, Disterhoft, Patrick, Wardle, David, Kerr, James, Rives, John, Sun, Yongchen, Lucas, Timothy, Mestechkina, Tanya, and Neale, Patrick J. 1997. "
1994 North American interagency intercomparison of ultraviolet monitoring spectroradiometers."
Journal of Research of the National Institute of Standards and Technology. 102 (3):279–322.