TY - JOUR AU - Leonard Hanssen AU - Simon Kaplan C2 - SPIE International Society for Optical Engineering DA - 1998-07-19 DO - https://doi.org/10.1117/12.326674 LA - en PB - SPIE International Society for Optical Engineering PY - 1998 TI - Methods for Absolute Reflectance Measurement of Transmissive Materials in the Infrared ER -