Difference between revisions of "Van Helden, 1977"
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Latest revision as of 21:13, 21 December 2016
van Helden, B.G.T., 1977: Correlation of microplankton assemblages with ammonite faunas from the Jurassic Wilkie Point Formation, Prince Patrick Island, District of Franklin. Geological Survey of Canada, Paper, no.77-1B, p.163-171, pl.33.1-33.2.