| article html file updated | 30 August 2025 21:31 CEST | Update | https://www.mdpi.com/2218-273X/9/6/244 |
| article html file updated | 20 July 2022 15:08 CEST | Update | - |
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| article pdf uploaded. | 22 June 2019 11:42 CEST | Version of Record | https://www.mdpi.com/2218-273X/9/6/244/pdf |
| article xml uploaded. | 22 June 2019 11:42 CEST | Update | https://www.mdpi.com/2218-273X/9/6/244/xml |
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