Multivariate analysis of dynamical processes - Point processes and time series K. Henschel, B. Hellwig, F. Amtage, J. Vesper, M. Jachan, C. H. Lücking, J. Timmer and B. Schelter Eur. Phys. J. Special Topics, 165 (2008) 25-34 Published online: 11 December 2008 DOI: 10.1140/epjst/e2008-00846-0