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"Congruence, Similarity, and Symmetries of Geometric Objects."
Helmut Alt et al. (1988)
- Helmut Alt, Kurt Mehlhorn, Hubert Wagener, Emo Welzl:
Congruence, Similarity, and Symmetries of Geometric Objects. Discret. Comput. Geom. 3: 237-256 (1988)
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