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1
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2
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3
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4Published 1992“...HC 665 .D292...”
Book -
5
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6
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7
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8
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9Published 1972“...HF 5003 .N0337...”
Journal -
10Published 1999“...HM 671 .B415 1999...”
Book -
11Published 1995“...HC 665 .G786...”
Book -
12