Reimann, C.
, Velapoldi, R.
, Hagan, L.
and Taylor, J.
(1980),
Technical activities 1980 ::Center for Analytical Chemistry, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.IR.80-2164
(Accessed April 23, 2025)