TY - RPRT TI - Evaluation of hand-held infrared thermometers for wall thermal resistance determinations AU - Treado, Stephen J AU - Burch, Douglas M PY - 1979 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 79-1736 DO - 10.6028/NBS.IR.79-1736 ER -