## 5. References back to ToC

### 5.1 Informative references

[SAREF4BLDG-TS]
  ETSI. ETSI TS 103 410-2 “SmartM2M; Smart Appliances Extension to SAREF; Part 3: Building Domain”. modified 13 Dec 2016, accessed (to be completed) URL: http://www.etsi.org/deliver/etsi_ts/103400_103499/
[ISO 16739:2013]
  ISO. ISO 16739:2013. Industry Foundation Classes (IFC) for data sharing in the construction and facility management industries”. accessed (20th, December 2016) URL: http://www.iso.org/iso/catalogue_detail.htm?csnumber=51622 /
[ISO 16739:2013]
  buildingSMART EIndustry Foundation Classes (IFC) – Version 4 – Addendum 1”. accessed (20th, December 2016) URL: http://www.buildingsmart-tech.org/ifc/IFC4/Add1/html/ /