Visnovitz, F, Bodnár, T, Tóth, Z, Spiess, V, Kudó, I, Timár, G and Horváth, F (2015) Seismic expressions of shallow gas in the lacustrine deposits of Lake Balaton, Hungary. Near Surface Geophysics, 13(5). 433-446. doi:10.3997/1873-0604.2015026