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1
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2
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3
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4Published 1989“...HF 1040.9 .N5 .L116...”
Book -
5Published 1992“...HC 79 .E5 .U583 ag...”
Conference Proceeding Book -
6
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7
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8Published 1992“...HC 681.3 .E5 .E61...”
Book -
9
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10
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11Published 1993“...HD 62.4 .E61 1993...”
Book -
12