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1
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2Published 1980Subjects: “...Geology, Stratigraphic Permian....”
Book -
3Published 1976Subjects: “...Geology, Stratigraphic Permian Congresses....”
Conference Proceeding Book -
4Published 1987Subjects: “...Geology, Stratigraphic Permian....”
Book -
5Published 1995Subjects: “...Geology, Stratigraphic Permian Europe....”
Book