Bruton L. David
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This monograph describes early Ordovician (Ibexian:Tremadocian–early Floian) trilobites from Northern Spitsbergen from the section through the Kirtonr…
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This monograph describes early Ordovician (Ibexian:Tremadocian–early Floian) trilobites from Northern Spitsbergen from the section through the Kirtonr…
Подробнее