@Article{nhess-8-501-2008, AUTHOR = {Prattes, G. and Schwingenschuh, K. and Eichelberger, H. U. and Magnes, W. and Boudjada, M. and Stachel, M. and Vellante, M. and Wesztergom, V. and Nenovski, P.}, TITLE = {Multi-point ground-based ULF magnetic field observations in Europe during seismic active periods in 2004 and 2005}, JOURNAL = {Natural Hazards and Earth System Science}, VOLUME = {8}, YEAR = {2008}, NUMBER = {3}, PAGES = {501--507}, URL = {http://www.nat-hazards-earth-syst-sci.net/8/501/2008/}, ISSN = {1561-8633} }