| article html file updated | 31 August 2025 03:53 CEST | Update | https://www.mdpi.com/2075-1680/8/4/123 |
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| article pdf uploaded. | 1 November 2019 11:27 CET | Version of Record | https://www.mdpi.com/2075-1680/8/4/123/pdf |
| article xml uploaded. | 1 November 2019 11:26 CET | Update | https://www.mdpi.com/2075-1680/8/4/123/xml |
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