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Brickwedde, F.
, van Dijk, H.
, Durieux, M.
, Clement, J.
and Logan, J.
(1960),
The "1958 He scale of temperatures" ::part 1. introduction part 2. tables for the 1958 temperature scale, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.MONO.10
(Accessed October 27, 2025)