Flexible cellular polymeric materials - Determination of hardness (indentation technique) (ISO 2439:1997, including Technical Corrigendum 1:1998); German version EN ISO 2439:2000— 6 стр.
Polymeric materials, cellular flexible - Polyurethane foam for load-bearing applications excluding carpet underlay - Specification (ISO 5999:1982); German version EN ISO 5999:2004— 18 стр.