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1
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2
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3
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4
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5
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6Published 1992“...HC 670 .E5 .N5329...”
Conference Proceeding Book -
7
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8Published 1995“...HC 670 .E5 .N5312 n 1995...”
Book -
9Published 1999“...HC 663.5 .S9646 2000...”
Book