Gupta, D. (1995). Polystyrene films for calibrating the wavelength scale of infrared spectrophotometers, SRM 1921. U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology ; For sale by the Superintendent of Documents, U.S. G.P.O..
Citação norma ChicagoGupta, Devinder. Polystyrene Films for Calibrating the Wavelength Scale of Infrared Spectrophotometers, SRM 1921. Gaithersburg, MD : Washington, DC: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology ; For sale by the Superintendent of Documents, U.S. G.P.O., 1995.
Citação norma MLAGupta, Devinder. Polystyrene Films for Calibrating the Wavelength Scale of Infrared Spectrophotometers, SRM 1921. U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology ; For sale by the Superintendent of Documents, U.S. G.P.O., 1995.