DENA transition21

Cicero 11/2020

Stern Gesund Leben 5/2020

Greenpeace Magazin 5/2020

Rotary Magazin 2/2020

EWS ENERGIEWENDE-MAGAZIN 06/2020

DAS GASMAGAZIN 1/2020

Horizonte 1/2020

Wind Energy 2020 Yearbook

neue energie 6/2020