Hydroxylated buckminsterfullerene complexes with endohedral europium atom Sergey G. Semenov, Marina E. Bedrina, Tatiana A. Andreeva and Anatoly V. Titov Eur. Phys. J. D, 76 12 (2022) 253 Published online: 26 December 2022 DOI: 10.1140/epjd/s10053-022-00583-4