Stiehler, R.
, Hockman, A.
, Enbree, E.
and Masters, L.
(1978),
Solar energy systems- standards for rubber seals:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.IR.77-1437
(Accessed October 14, 2024)