The magmatic system beneath Torfajökull volcano, Iceland : a combination of radar and seismic interferometric analysisMartins, Joao; Hooper, A.J.; Draganov, Deyan; Ruigrok, Elmer; Hanssen, R.F.; White, Robert S.; Soosalu, Heidi ElisabetAmerican Geophysical Union, Fall Meeting 09.-13.12.20132013 / V51E-2727