State system for ensuring the uniformity of measurements. State verification schedule for means of measuring spectral density of radiance, spectral density of radiant intensity, spectral density of irradiance, radiant intensity and irradiance in the wavelength range of 0,2...25,0 µm
System of standards on information, librarianship and publishing. Presentation of cards tor catalogues and files. Catalogization in publications. Content, structure and publishing presentation of data
