2018DIN EN 13865 Berichtigung 1:2018-07 Surfaces for sports areas - Determination of angled ball behaviour - Tennis; German version EN 13865:2017, Corrigendum to DIN EN 13865:2017-05; German version EN 13865:2017/AC:2017
2017DIN EN 13865:2017-05 Surfaces for sports areas - Determination of angled ball behaviour - Tennis; German version EN 13865:2017
2017DIN EN 13865:2017 Surfaces for sports areas - Determination of angled ball behaviour - Tennis; German version EN 13865:2017
2004DIN EN 13865:2004 Surfaces for sports areas - Determination of angled ball behaviour - Tennis; German version EN 13865:2003