Wyly, R. S.; Parker, W. J.; Rorrer, D. E.; Shaver, J. R.; Sherlin, G. C.; Tryon, M.
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Review of Standards and Other Information on Thermoplastic Piping in Residential Plumbing. January 1972-June 1974.
National Bureau of Standards, Gaithersburg, MD
Department of Housing and Urban Development, Washington, DC,
NBS BSS 068,
May 1975,
65 p.