Edited by Fritz Wagner and Roger Caves
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Fritz Wagner (EDT)/ Roger Caves (EDT)
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J. Barry Cullingworth/ Roger Caves
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Roger W. (San Diego State University Caves USA),J. Barry Cullingworth
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Roger W. Caves (EDT)/ Fritz Wagner (EDT)
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Barry Cullingworth/ Roger W. Caves
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J. B. Cullingworth/ Roger W. Caves
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