Physics Laboratory (U.S.)
Unknown Author
National Research Council
Boulder Laboratories (U.S.)
National Institute of Standards and Technology (U.S.)
National Research Council Committee
Naval Research Laboratory (U.S.). Plasma Physics Division
John Gillaspy
Victor S. Rezendes
National Institutes of Health (U.S.)
Robert L. Anstey
National Measurement Laboratory (U.S.). Office of Standard Reference Data.