Calcium targets for production of the medical Sc radioisotopes in reactions with p, d or α projectiles Anna Stolarz, Mateusz Sitarz, Katarzyna Szkliniarz, Jarosław Choiński, Jerzy Jastrzębski, Agnieszka Trzcińska and Wiktor Zipper EPJ Web Conf., 229 (2020) 06004 Published online: 28 February 2020 DOI: 10.1051/epjconf/202022906004