Optical radiation physics and illumination Engineering - Supplement 1: Index of quantities, symbols and units; and subject index to DIN 5031 part 1 to part 11— 24 стр.
Measurement and assessment of personal exposures to incoherent optical radiation. Ultraviolet radiation emitted by artifical sources in the workplace— 36 стр.
Safety requirements for cableways for cableway installations designed to carry persons. Precommissioning inspection, maintenance and operational inspection and checks— 24 стр.
