Seismicity at the Askja volcano and its surroundings, North IcelandSoosalu, Heidi Elisabet; Knox, Clare; White, Robert S.; Einarsson, Pall; Jakobsdottir, Steinunn S.; Sturkell, ErikVolcanic & Magmatic Studies Group, Winter Meeting : Oxford : 4-5 January, 20072007 / p. 27-28 The geology of the Malingen structure : a probable doublet to the Lockne marine-target impact crater, central SwedenOrmö, J.; Sturkell, Erik; Nõlvak, JaakMeteoritics & planetary science2014 / p. 313-327 : ill