Social media and networks of Alexander J. Stein

• Twitter: https://twitter.com/AJStein_de
   
• Mastodon: https://mastodon.world/@AJStein_de
   
• LinkedIn: http://www.linkedin.com/in/alexanderstein
   
• Xing: https://www.xing.com/profile/AlexanderJ_Stein
   
• Google Scholar: http://scholar.google.com/citations?user=tZ0jOjAAAAAJ
   
• ResearchGate: https://www.researchgate.net/profile/Alexander_Stein