@article{eage:/content/papers/10.3997/2214-4609.20143337, author = "Pronay, Z. and Toros, E. and Tildy, P.", title = "Rock Mass Classification Systems and Seismic Velocities", journal= "", year = "2012", volume = "", number = "", pages = "", doi = "https://doi.org/10.3997/2214-4609.20143337", url = "https://www.earthdoc.org/content/papers/10.3997/2214-4609.20143337", publisher = "European Association of Geoscientists & Engineers", issn = "2214-4609", type = "", eid = "cp-306-00029", }