TY - RPRT TI - Development of an apparatus for measuring the thermal performance of fire fighters' protective clothing AU - Lawson, J Randall AU - Twilley, William H PY - 1999 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 6400 DO - 10.6028/NIST.IR.6400 ER -