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helmut h j geldsetzer
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Reefs: Canada and adjacent areas, edited by Helmut H.J. Geldsetzer [and others]
Helmut H. J. Geldsetzer, Noel P. James, Canadian Society of Petroleum Geologists · Canadian Society of Petroleum Geologists
775 sayfa · 1988
Fossil Reefs / Reefs / Paleogeography / Stratigraphic Geology
Upper Devonian stratigraphy and sedimentology, southern Alberta Rocky Mountains
Helmut H. J. Geldsetzer · Sine nomine
69 sayfa · 1982
Sedimentation and deposition / Stratigraphic Geology / Geology