| article html file updated | 30 August 2025 08:00 CEST | Update | https://www.mdpi.com/2079-6374/8/4/98 |
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| article pdf uploaded. | 20 October 2018 10:35 CEST | Version of Record | https://www.mdpi.com/2079-6374/8/4/98/pdf |
| article xml uploaded. | 20 October 2018 10:35 CEST | Update | https://www.mdpi.com/2079-6374/8/4/98/xml |
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