Full Citation:
Andreas M. Chwatal, Günther R. Raidl. Fitting Rectangular Signals to Time Series Data by Metaheuristic Algorithms. Computer Aided Systems Theory – EUROCAST 2009 (R.~Moreno-D'iaz and others), volume 5717 of LNCS, pages 649-656, 2009, Springer.
Günther Raidl is a Professor at the Algorithms and Complexity Group.