TY - GEN AU - D Gupta AU - L Wang AU - Leonard Hanssen AU - J Hsia AU - Raju Datla C2 - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD DA - 1995-01-01 00:01:00 LA - en PB - Special Publication (NIST SP), 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 -