Aerospace series - Carbon fibre preimpregnates - Determination of the resin and fibre content and the mass of fibre per unit area; German version EN 2559:1997— 14 стр.
Plastics - Methods for determining the density of non-cellular plastics - Part 1: Immersion method, liquid pycnometer method and titration method (ISO 1183-1:2019, Corrected version 2019-05)— 19 стр.