found: Work cat.: 2006044580: Tkachenko, Nikolai V. Optical spectroscopy, 2006.
found: Encyc. of analytical science, 2005:v. 6, p. 426 (Optical spectroscopy may be defined as covering that portion of the electromagnetic spectrum (EMS) from 100 nm in the vacuum ultraviolet to 20,000 nm in the infrared.)
found: McGraw-Hill dict. of physics, 2002(optical spectroscopy: the production, measurement or interpretation of optical spectra (electromagnetic spectra for wavelengths in the ultraviolet, visible and infrared regions, ranging from about 10 nm to 1 mm) arising from either emission or absorption of radiant energy by various substances)
found: Spectroscopy source book, 1988:p. 44 (Optical spectroscopy (in the visible and ultraviolet))
found: INSPEC thes.(optical spectroscopy use infrared spectroscopy, ultraviolet spectroscopy, visible spectroscopy)
found: Twentieth century physics, 1995:v. 3, p.1421-1422.
