Classification, data analysis, and knowledge organization   models and methods w.v., University of Merburg, March 12-14, 1990 
Annual conference of the Gesellschaft fu 
 - New York  Springer-Verlag Berlin Heidelberg  1991 
 - xii,393p. 
<br/><br/><label>ISBN: </label>3540534830 
<br/><br/><label>Dewey Class. No.: </label>025.4 An78C