| article html file updated | 30 August 2025 05:46 CEST | Update | https://www.mdpi.com/1999-4893/11/8/117 |
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| article pdf uploaded. | 2 August 2018 13:23 CEST | Version of Record | https://www.mdpi.com/1999-4893/11/8/117/pdf |
| article xml uploaded. | 2 August 2018 13:23 CEST | Update | https://www.mdpi.com/1999-4893/11/8/117/xml |
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