| article html file updated | 30 August 2025 14:39 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1684 |
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| article pdf uploaded. | 4 May 2019 10:16 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/9/1684/pdf |
| article xml uploaded. | 4 May 2019 10:16 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1684/xml |
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