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10.1007%2FBF02937550
10.1007%2FBF02937550
https://api.crossref.org/works/10.1007%2FBF02937550
8053e40ef1b71d40a2f3e0106bd82a82a220417c
P854
10.1007%2FBF02937550
https://api.crossref.org/works/10.1007%2FBF02937550