1. An, Baijie, and Xiaokun Li. 2015. Li outlines $1 trillion goal. China Daily. http://www.chinadaily.com.cn/world/2015liattendsASEAN/2015-11/25/content_22516250.htm . Accessed 11 Oct 2016.
2. Augsburger Allgemeine. 2016. Gabriel zeigt Flagge im Kuka-Krimi. http://www.augsburger-allgemeine.de/wirtschaft/Gabriel-zeigt-Flagge-im-Kuka-Krimi-id37965172.html . Accessed 23 Dec 2016.
3. BBC News. 2016. Hinkley Point nuclear agreement reached. http://www.bbc.co.uk/news/business-34587650 . Accessed 11 Oct 2016.
4. Bloomberg. 2016. German push grows for Chinese investment curbs as Aixtron probes. https://www.bloomberg.com/news/articles/2016-10-23/german-momentum-grows-for-curbs-on-chinese-overseas-investment . Accessed 9 Dec 2016.
5. boerse.ard.de. 2016a. Kuka einigt sich mit Chinesen. http://boerse.ard.de/aktien/kuka-einigt-sich-mit-Chinesen100.html . Accessed 12 Oct 2016.