| article html file updated | 31 August 2025 01:05 CEST | Update | https://www.mdpi.com/2073-4409/8/9/1047 |
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| article pdf uploaded. | 9 September 2019 11:48 CEST | Updated version of record | https://www.mdpi.com/2073-4409/8/9/1047/pdf |
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| article pdf uploaded. | 6 September 2019 16:39 CEST | Version of Record | https://www.mdpi.com/2073-4409/8/9/1047/pdf-vor |
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