-Nico Buidendag (North-West University) (https://nwu.academia.edu/NicoBuitendag) (https://soundcloud.com/undisciplinedpod)

-Elise Coquereau-Saouma (Austrian Academy of Science) (Academia.edu)

-Claus Dierksmeier (University of Tübingen) (Academia.edu)(Researchgate)

-Rev. Dr. Sybille C. Fritsch-Oppermann (CV)

-Francesca Greco (University of Hildesheim) (University site)

-Martin Kämpchen (www.martin-kaempchen.com)

-Ali Asghar Mosleh (http://www.amosleh.com)

-Tom Viaene (www.fomu.be/trigger)

-Niels Weidtmann (University of Tübingen) (Researchgate)

-Fernando Wirtz (University of Tübingen) (Academia.edu)

-PD Dr. Markus Wirtz