Initiative on #4openScienceStandsForUkraine scientists and students Björn LDM Brücher, Björn Brembs, Detlef Bartsch, Ronald Przygodzki, Romain-Daniel Gosselin, Marijan Slak Rupnik, Valentin Calu, Christof Birkenmaier, Oliver Hayden, Annette Schmidt et al. (48 more) 4open, 5 (2022) E2 Published online: 18 May 2022 DOI: 10.1051/fopen/2022007