All attendees at the conference will need to register and pay for their place in advance and no later than 20 October 2022. The conference fee of 249.90 € includes all conference sessions and the key note, all refreshments and lunches and the conference reception/buffet. With your registration you will receive a bill. Registration is via E-Mail to arnd.wiedemann@uni-siegen.de. Please include your full name, organization and address.