@conference{829981, author = {Boris Wilthan and Leonard Hanssen and Sergey Mekhontsev}, title = {Measurements of Infrared Spectral Directional Emittance at NIST – A Status Update}, year = {2012}, number = {1552}, month = {2012-09-12 00:09:00}, publisher = {Temperature: Its Measurement and Control in Science and Industry, Vol. 8, Anaheim, CA, US}, language = {en}, }