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1Published 1987“...K.G. Saur,...”
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2Published 1987“...K.G. Saur,...”
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7Published 1981“...K.G. Saur,...”
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11Published 1978“...K. G. Saur,...”
Conference Proceeding Book -
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17Published 1981“...K.G. Saur,...”
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18Published 1983“...K.G. Saur,...”
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