Smith, D. R. (1989). Interlaboratory comparison of the guarded horizontal pipe-test apparatus: Precision of ASTM standard test method C-335 applied to mineral-fiber pipe insulation. U.S. Dept. of Commerce, National Institute of Standards and Technology.
Chicago Style (17th ed.) CitationSmith, David R. Interlaboratory Comparison of the Guarded Horizontal Pipe-test Apparatus: Precision of ASTM Standard Test Method C-335 Applied to Mineral-fiber Pipe Insulation. Gaithersburg, MD: U.S. Dept. of Commerce, National Institute of Standards and Technology, 1989.
MLA (9th ed.) CitationSmith, David R. Interlaboratory Comparison of the Guarded Horizontal Pipe-test Apparatus: Precision of ASTM Standard Test Method C-335 Applied to Mineral-fiber Pipe Insulation. U.S. Dept. of Commerce, National Institute of Standards and Technology, 1989.