TY - RPRT TI - Interlaboratory comparison of the guarded horizontal pipe-test apparatus : precision of ASTM standard test method C-335 applied to mineral-fiber pipe insulation AU - Smith, David R PY - 1989 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 89-3913 DO - 10.6028/NIST.IR.89-3913 ER -