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Association Paul Langevin is an open-access publisher[1].
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4ort.xyz Knowledge Graph. (2026). Association Paul Langevin. Retrieved May 3, 2026, from https://4ort.xyz/entity/association-paul-langevin
“Association Paul Langevin.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/association-paul-langevin.
@misc{4ortxyz_association-paul-langevin_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Association Paul Langevin}}, year = {2026}, url = {https://4ort.xyz/entity/association-paul-langevin}, note = {Accessed: 2026-05-03}}
According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Association Paul Langevin — https://4ort.xyz/entity/association-paul-langevin (retrieved 2026-05-03)
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