Lehman, J. H. (1999). Calibration service for spectral responsivity of laser and optical-fiber power meters at wavelengths between 0.4 [Greek numeral 40]m and 1.8 [Greek numeral 40]m. U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology ; For sale by the Supt. of Docs., U.S. G.P.O..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lehman, John H. Calibration Service for Spectral Responsivity of Laser and Optical-fiber Power Meters at Wavelengths Between 0.4 [Greek Numeral 40]m and 1.8 [Greek Numeral 40]m. Gaithersburg, MD : Washington, DC: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology ; For sale by the Supt. of Docs., U.S. G.P.O., 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lehman, John H. Calibration Service for Spectral Responsivity of Laser and Optical-fiber Power Meters at Wavelengths Between 0.4 [Greek Numeral 40]m and 1.8 [Greek Numeral 40]m. U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology ; For sale by the Supt. of Docs., U.S. G.P.O., 1999.