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10.1007%2FBF03259897
10.1007%2FBF03259897
https://api.crossref.org/works/10.1007%2FBF03259897
69180d453c51fb810a925b8d4eb548f945c626ab
P854
10.1007%2FBF03259897
https://api.crossref.org/works/10.1007%2FBF03259897