Thom, NorbertNorbertThomEtienn, MichèleMichèleEtiennClermont, AloisSchmeisser, Wilhelm2024-10-252024-10-251999https://boris-portal.unibe.ch/handle/20.500.12422/153663de300 - Social sciences, sociology & anthropology::330 - Economics600 - Technology::650 - Management & public relationsbook_section