Vegetation technology in landscaping - Biological methods of site stabilization - Stabilization by seeding and planting, stabilization by means of living plant material, dead material and building elements, combined construction methods— 25 стр.
Road and airfield surface characteristics - Test methods - Part 7: Irregularity measurement of pavement courses: The straightedge test; German version EN 13036-7:2003— 10 стр.