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crossref
Confidence 100%
unpaywall
Confidence 95%
datacite
Confidence 0%
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Unresolved referenced work
1908
Unresolved referenced work
1991
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Kept as external metadata until matched
Unresolved referenced work
2000
Unresolved referenced work
1926
Unresolved referenced work
1941
Unresolved referenced work
1995
10.1017/s0021875800025329
10.1017/s0021875800025329 · 1973
Unresolved referenced work
1968
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