Search for ExtraTerrestrial Intelligence Proceedings of the 2nd SETI-INAF Meeting 2019 Montebugnoli, Stelio Innbundet / 2021 / Engelsk
Search for ExtraTerrestrial Intelligence Proceedings of the 2nd SETI-INAF Meeting 2019 Montebugnoli, Stelio Heftet / 2022 / Engelsk
