Acoustic detection of neutrinos in bedrockWladyslaw Henryk Trzaska, Kai Loo, Timo Enqvist, Jari Joutsenvaara, Pasi Kuusiniemi and Maciej SlupeckiEPJ Web Conf., 216 (2019) 04009DOI: https://doi.org/10.1051/epjconf/201921604009