TY - RPRT TI - Standardization of thermal emittance measurements : part IV. Normal spectral emittance, 800 degrees - 1,400 degrees K AU - Harrison, William N AU - Richmond, Joseph C AU - Shorten, Frederick J AU - Joseph, Horace S PY - 1962 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS report ; 7806 DO - 10.6028/NBS.RPT.7806 ER -