@InProceedings{kleiweg2004a,
  author = 	 {Peter Kleiweg and John Nerbonne and Leonie Bosveld},
  title = 	 {Geographic Projection of Cluster Composites},
  booktitle =	 {Diagrams 2004},
  year =	 2004,
  editor =	 {Alan Blackwell and Kim Marriott and Atsushi Shimojima},
  series =	 {Lecture Notes in Computer Science},
  publisher =	 {Springer-Verlag}
}