1.
Discrete Groups and Geometric Structures: Workshop on Discrete Groups and Geometric Structur...
by Dekimpe, Karel, Igodt, Paul...
ISBN: 9780821846476
List Price: $59.00
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Crystallographic Groups and Their Generalizations Workshop, Katholieke Universiteit Leuven C...
by Igodt, Paul, Abelson, Herbe...
ISBN: 9780821820018
List Price: $87.00