Kelly, W.
, MacDonald, B.
and Leigh, S.
(2007),
A method for the preparation of NIST traceable fossil fuel standards with concentrations intermediate to SRM values:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.SP.260-167
(Accessed December 12, 2024)