2018DIN EN ISO 41012:2018-08 Facility management - Guidance on strategic sourcing and the development of agreements (ISO 41012:2017); German version EN ISO 41012:2018
2018DIN EN ISO 41012:2018 Facility management - Guidance on strategic sourcing and the development of agreements (ISO 41012:2017)
2007DIN EN 15221-2:2007 Facility Management - Part 2: Guidance on how to prepare Facility Management agreements; English version of DIN EN 15221-2:2007-01