Please contact me preferrably via email at:
mail <at> wilhelmklein <dot> net
If you want to use of encryption, please use the following PGP key:
(import from download), (import from server)
Twitter: @Klein_Wilhelm
Linkedin: in/wilhelm-e-j-klein
Researchgate: /Wilhelm_Klein
(If you are new to email encryption, I recommend you to follow this guide to get started.)