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| article html file updated | 31 August 2025 12:13 CEST | Update | N/A |
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| article pdf uploaded. | 25 March 2020 08:34 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/1/13/pdf |
| article xml uploaded. | 25 March 2020 08:34 CET | Update | https://www.mdpi.com/2199-8531/6/1/13/xml |
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| article pdf uploaded. | 22 February 2020 02:25 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/1/13/pdf-vor |
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| article pdf uploaded. | 21 February 2020 08:24 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/1/13/pdf-vor |
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| article pdf uploaded. | 20 February 2020 12:10 CET | Version of Record | https://www.mdpi.com/2199-8531/6/1/13/pdf-vor |
| article xml file uploaded | 20 February 2020 12:10 CET | Original file | N/A |
