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1
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2
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3Published 1983Subjects: “...Sponges, Fossil....”
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5Published 1990Subjects: “...Sponges, Fossil Congresses....”
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7Published 1994Subjects: “...Sponges, Fossil Congresses....”
Conference Proceeding Book -
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11Subjects: “...Sponges, Fossil....”
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19by Rigby, J. KeithSubjects: “...Sponges, Fossil Mackenzie Mountains (N.W.T. and Yukon)...”
Published 1999
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