Volume 23 / S. Balandin, T. Cinotti, F. Viola, T. Tyutina, Proceedings of the 23rd Conference of Open Innovations Association FRUCT, Bologna, Italy. ISSN 2305-7254, ISBN 978-952-68653-6-2, FRUCT Oy, e-ISSN 2343-0737 (license CC BY-ND)