TY - GEN AU - Maria Nadal AU - P Barnes C2 - Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD DA - 1998-12-01 LA - en M1 - 104 No. 2 PB - Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD PY - 1998 TI - Near Infrared 45{degrees}/0{degrees} Reflectance Factor of Pressed Polytetrafluoroethylene (PTFE) Powder ER -