| article html file updated | 30 August 2025 10:48 CEST | Update | https://www.mdpi.com/2223-7747/8/1/16 |
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| article pdf uploaded. | 14 January 2019 11:37 CET | Updated version of record | https://www.mdpi.com/2223-7747/8/1/16/pdf |
| article xml uploaded. | 14 January 2019 11:37 CET | Update | https://www.mdpi.com/2223-7747/8/1/16/xml |
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| article pdf uploaded. | 9 January 2019 18:05 CET | Updated version of record | https://www.mdpi.com/2223-7747/8/1/16/pdf-vor |
| article pdf uploaded. | 9 January 2019 17:57 CET | Version of Record | https://www.mdpi.com/2223-7747/8/1/16/pdf-vor |
| article xml file uploaded | 9 January 2019 17:57 CET | Original file | - |
