TY - RPRT TI - Procedures for precise determination of thermal radiation properties, November 1962 to October 1963 AU - DeWitt, Davis P AU - Hayes, Warren D AU - Richmond, Joseph C PY - 1964 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS TN 252 DO - 10.6028/NBS.TN.252 ER -