Continental scientific drilling and microbiology: (extremely) low biomass in crystalline bedrock of central Sweden

Westmeijer, G.; Escudero, C.; Bergin, C.; Turner, S.; Ståhle, M.; Mehrshad, M.; Leroy, P.; Buck, M.; López-Hernández, P.; Kallmeyer, J.; Amils, R.; Bertilsson, S.; Dopson, M.