Stepp, Robert E.Michalski, Ryszard S.2006-11-072006-11-071981-10Michalski, R. S. and Stepp, R., "Concept-based Clustering versus Numerical Taxonomy," Report No. 1073, Department of Computer Science, University of Illinois, Urbana, October 1981.https://hdl.handle.net/1920/15623271024 bytesapplication/pdfen-USTechnical report