Early, Edward, Thompson, Ambler, Johnson, Carol, DeLuisi, John, Disterhoft, Patrick, Wardle, David, Wu, Edmund, Mou, Wanfeng, Ehramjian, James, Tusson, John, Mestechkina, Tanya, beaubian, Mark, Gibson, James, and Hayes, Douglas S. 1998. "
The 1996 North American interagency intercomparison of ultraviolet monitoring spectroradiometers."
Journal of Research of the National Institute of Standards and Technology. 103 (5):449–482.