TY - JOUR AU - Maria Nadal AU - P Barnes C2 - Journal of Research of the National Institute of Standards and Technology DA - 1999-01-01 LA - en M1 - 104 PB - Journal of Research of the National Institute of Standards and Technology PY - 1999 TI - Near Infrared 45 ° /0 ° Reflectance Factor of Pressed PolytetraFluoroethylene (PTFE) Powder ER -