| article html file updated | 30 August 2025 12:40 CEST | Update | https://www.mdpi.com/1996-1073/12/5/870 |
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| article pdf uploaded. | 6 March 2019 05:28 CET | Version of Record | https://www.mdpi.com/1996-1073/12/5/870/pdf |
| article xml uploaded. | 6 March 2019 05:28 CET | Update | https://www.mdpi.com/1996-1073/12/5/870/xml |
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