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1
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2Published 1978“...HC 687 .P3 .B181 1978...”
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4Published 1987“...HD 8690.8 .W129...”
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7
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11Published 1982“...HC 683.5 .I011 1981...”
Conference Proceeding Book -
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18Published 1994“...HC 683.5 .P218 st...”
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