TY - GEN AU - Raju U Datla AU - Jack J Hsia AU - Lan Wang AU - Devinder Gupta C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1995-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.SP.260-122 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1995 TI - Standard Reference Materials:Polystyrene films for calibrating the wavelength scale of infrared spectrophotometers - SRM 1921 ER -