BibliographyGerman booksBACNetBACnet and BACnet/IP How does it work? by Friedbert Tiersch, Christian Kuhles ISBN: 978-3-922420-13-2BACnet Building automation 1.12 by Hans R. Kranz ISBN: 978-3-922420-25-5Web siteshttp://www.big-eu.org http://www.bacnetinternational.org/ https://opcfoundation.org/http://opcf.org