| article html file updated | 16 August 2026 17:08 CEST | Update | https://www.mdpi.com/2218-273X/9/11/671 |
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| article pdf uploaded. | 30 October 2019 12:17 CET | Version of Record | https://www.mdpi.com/2218-273X/9/11/671/pdf |
| article xml uploaded. | 30 October 2019 12:17 CET | Update | https://www.mdpi.com/2218-273X/9/11/671/xml |
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