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K. Lindholm
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Journal Article
A new Early Ordovician didymograptid, and its bearing on the correlation of the Skiddaw Group of England with the Toyen Shale of Sandinavia
Publisher: Cambridge University Press
Published: 01 July 1991
Geological Magazine (1991) 128 (4): 335–343.
Journal Article
A precise worldwide correlation of Early Ordovician graptolite sequences
Publisher: Cambridge University Press
Published: 01 November 1990
Geological Magazine (1990) 127 (6): 497–525.
