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Structure of the lower cretaceous fern Onychiopsis psilotoides from Bornholm, Denmark
Else Marie Friis, Kaj Raunsgaard PedersenVolume:
66
Year:
1990
Language:
english
DOI:
10.1016/0034-6667(90)90028-h
File:
PDF, 15.58 MB
english, 1990