Online signal extraction by robust linear regression. - Ursula Gather; Karen Schettlinger; Roland Fried (Comput. Stat., 2006)

Applying the Qn. - Robin Nunkesser; Karen Schettlinger; Roland Fried (GfKl, 2007)

Computing the least quartile difference estimator in the plane. - Thorsten Bernholt; Robin Nunkesser; Karen Schettlinger (Comput. Stat. Data Anal., 2007)

Online analysis of time series by the Qn estimator. - Robin Nunkesser; Roland Fried; Karen Schettlinger; Ursula Gather (Comput. Stat. Data Anal., 2009)

Multivariate Real-Time Signal Extraction by a Robust Adaptive Regression Filter. - Matthias Borowski; Karen Schettlinger; Ursula Gather (Commun. Stat. Simul. Comput., 2009)