# Sources



> **buildingSMART, 2020a**. _Industry Foundation Classes (IFC)._ \[Online]\
> Available at: [https://www.buildingsmart.org/standards/bsi-standards/industry-foundation-classes/](https://www.buildingsmart.org/standards/bsi-standards/industry-foundation-classes/)\
> \[Accessed 2020-12-18].

> **BuildingSMART, 2020b**. _Industry Foundation Classes (IFC) - An Introduction._ \[Online]\
> Available at: [https://technical.buildingsmart.org/standards/ifc/](https://technical.buildingsmart.org/standards/ifc/)\
> \[Accessed 2020-12-18].

> **ISO, 2020a**. _ISO 16739-1:2018_. \[Online] \
> Available at: [https://www.iso.org/standard/70303.html](https://www.iso.org/standard/70303.html)\
> \[Accessed 2020-12-18].



> **ISO, 2020b**. _ISO 16739-1:2018_. \[Online] \
> Available at: [https://www.iso.org/standard/70303.html](https://www.iso.org/standard/70303.html)\
> \[Accessed 2020-12-18].



