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1Published 1987“...HD 73 .C783...”
Book -
2
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3Published 1975“...HD 30.5 .E93...”
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4
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5Published 1993“...HF 1021.5 .E12...”
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6Published 1990“...HC 51 .I61 10th...”
Conference Proceeding Book -
7Published 1998“...HC 460.5 .I59...”
Book -
8
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9