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3by Hobbs, Robert Carleton, 1946-
Published 2001Book -
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6by Hobbs, Robert Carleton, 1946-
Published 1999Book -
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9Conference Proceeding Book
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10by Hobbs, Robert Carleton, 1946-
Published 1990Book -
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18Published 1986Other Authors: “…Hobbs, Robert Carleton, 1946-…”
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