2018DIN EN ISO 23537-1:2018 Requirements for sleeping bags - Part 1: Thermal and dimensional requirements (ISO 23537-1:2016 + Amd 1:2018); German version EN ISO 23537-1:2016 + A1:2018
2017DIN EN ISO 23537-1:2017 Requirements for sleeping bags - Part 1: Thermal and dimensional requirements (ISO 23537-1:2016); German version EN ISO 23537-1:2016
2012DIN EN 13537:2012 Requirements for sleeping bags; German version EN 13537:2012