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10.1007%2FBF03261967
10.1007%2FBF03261967
https://api.crossref.org/works/10.1007%2FBF03261967
a9fa2ccba469db14d58857634eab37cf99d3a2cd
P854
10.1007%2FBF03261967
https://api.crossref.org/works/10.1007%2FBF03261967