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@inproceedings{LABEL
,author= "Akkiraju, N. and Edelsbrunner H. and Facello M. and Fu, P.
and M{\"u}cke, E. P. and Varela, C."
,title= "Alpha Shapes: Definition and Software. Extended Abstract"
,booktitle= "Proceedings of the 1st International
Computational Geometry Software Workshop"
,year= 1995
,pages= "63--66"
,url= "http://www.geom.umn.edu/locate/cglist/GeomDir/shapes95"
}