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Bremerhaven: NW-Verl., Verl. für Neue Wiss., 1987
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Geneve: International Organization for Standardization, 2015
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Geneve: International Organization for Standardization, 2008
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Geneve: International Organization for Standardization, 2024
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Geneve: International Organization for Standardization, 2018
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Geneve: International Organization for Standardization, 2024