Information processing. 9-track, 12,7 mm (0.5 in) wide magnetic tape for information interchange. Format and recording, using group coding at 246 cpmm (6250 cpi)— 28 стр.
Road and airfield surface characteristics. Test methods. Measurement of pavement surface macrotexture depth using a volumetric patch technique— 14 стр.
Electrically propelled road vehicles. Airborne acoustical noise of vehicle during charging with on-board chargers. Determination of sound power level— 10 стр.
Characterization of pavement texture by use of surface profiles. Terminology and basic requirements related to pavement texture profile analysis— 26 стр.