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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 1988“...HD 205 1988 .P961...”
Book -
7
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8Published 1989“...HT 175 .R333...”
Conference Proceeding Book -
9Published 1997“...HT 110 .H236...”
Book -
10
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11
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12
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13
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14
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15