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Discrete & Computational Geometry > 2004 > 31 > 2 > 287-303
Discrete & Computational Geometry > 2002 > 29 > 1 > 41-59
Discrete & Computational Geometry > 2004 > 31 > 2 > 287-303
Discrete & Computational Geometry > 2002 > 29 > 1 > 41-59