Konzeption und Entwicklung des Soft-Computing-basierten Klassifikationssystems ISOCOS. - Frank Kroll (2002)

The Importance of E-Commerce in China and Russia - An Empirical Comparison. - Reinhold Decker; Antonia Hermelbracht; Frank Kroll (Data Analysis and Decision Support, 2005)

Classification in Marketing Research by Means of LEM2-generated Rules. - Reinhold Decker; Frank Kroll (GfKl, 2006)