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10.1007%2FBF00586538
10.1007%2FBF00586538
https://api.crossref.org/works/10.1007%2FBF00586538
920334e4ec1a1101500a89df7dde65c692d44cae
P854
10.1007%2FBF00586538
https://api.crossref.org/works/10.1007%2FBF00586538