| article html file updated | 30 August 2025 12:59 CEST | Update | https://www.mdpi.com/1996-1944/12/6/859 |
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| article pdf uploaded. | 14 March 2019 10:45 CET | Version of Record | https://www.mdpi.com/1996-1944/12/6/859/pdf |
| article xml uploaded. | 14 March 2019 10:45 CET | Update | https://www.mdpi.com/1996-1944/12/6/859/xml |
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