@unpublished{TUW-120907, author = {Mertl, Stefan and Br{\"u}ckl, Ewald}, title = {Observation of fracture processes in creeping rock masses by seismic monitoring.}, year = {2007}, note = {talk: 11th Congress of the International Society for Rock Mechanics, Lisbon, Portugal; 2007-07-09 -- 2007-07-13} }