Becker, D.
, Berke, J.
, Domalski, E.
, Matthews, R.
and Yakowitz, H.
(1981),
Technical Activities 1981 Office of Recycled Materials:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.IR.81-2417
(Accessed February 16, 2025)