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Some of the next articles are maybe not open access.

Branch rings, thinned rings, tree enveloping rings — Erratum

Israel Journal of Mathematics, 2012
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Ring of Rings

Science, 2011
Chemistry The abstract prospect of using a circle to derive a square has intrigued scholars of geometry for centuries. Segawa et al. have now used a square to derive a circle. The arena in this case was chemistry, rather than mathematics, and the task at hand was to assemble a molecular ring composed in turn of 12 benzene rings, linked to one another ...
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“Ring Within a Ring”

Journal of Cutaneous Medicine and Surgery, 2021
Farhat Fatima, Anupam Das
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Rings Within Rings

Journal of Cutaneous Medicine and Surgery, 2023
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Ring! Ring!

AJN, American Journal of Nursing, 2009
Kathleen Lewis, Christine Olah
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Gold-Catalyzed Synthesis of Small Rings

Chemical Reviews, 2021
Mauro Mato   +2 more
exaly  

Ruthenium-Catalyzed Cycloadditions to Form Five-, Six-, and Seven-Membered Rings

Chemical Reviews, 2021
Rosalie S Doerksen   +2 more
exaly  

Cleavage of Carbon–Carbon σ-Bonds of Four-Membered Rings

Chemical Reviews, 2021
Masahiro Murakami, Naoki Ishida
exaly  

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