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Swann, W.
and Gilbert, S.
(1998),
Standard Reference Materials ::Hydrogen cyanide H13C14N absorption reference for 1530 nm to 1560 nm wavelength calibration - SRM 2519/, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.SP.260-137
(Accessed October 11, 2025)