Social Networking
Facebook
https://www.facebook.com/patrick.ziegenhain
Linked In
https://www.linkedin.com/in/patrick-ziegenhain-84194495/
Xing
https://www.xing.com/profile/Patrick_Ziegenhain
Academia.edu
https://president.academia.edu/PatrickZiegenhain
Researchgate
https://www.researchgate.net/profile/Patrick_Ziegenhain
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