| article html file updated | 30 August 2025 11:19 CEST | Update | https://www.mdpi.com/1999-4923/11/1/47 |
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| article xml uploaded. | 21 January 2019 18:53 CET | Update | https://www.mdpi.com/1999-4923/11/1/47/xml |
| article pdf uploaded. | 21 January 2019 18:53 CET | Updated version of record | https://www.mdpi.com/1999-4923/11/1/47/pdf |
| article pdf uploaded. | 21 January 2019 18:13 CET | Updated version of record | https://www.mdpi.com/1999-4923/11/1/47/pdf-vor |
| article pdf uploaded. | 21 January 2019 18:10 CET | Version of Record | https://www.mdpi.com/1999-4923/11/1/47/pdf-vor |
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