Wood preservatives; determination of the effectiveness against Lyctus brunneus (Stephens); part 1: application by surface treatment (laboratory method); german version EN 20-1:1992— 11 стр.
Drinking water supply from small units and non stationary plants - Part 2: Non stationary units - Guidelines for drinking water, planning, construction, operation and maintenance of units; Technical rule of the DVGW— 40 стр.
Wood preservatives; determination of the effectiveness against Lyctus brunneus (Stephens); part 1: application by surface treatment (laboratory method); german version EN 20-1:1992— 11 стр.
