| article html file updated | 1 September 2025 10:31 CEST | Update | https://www.mdpi.com/2218-6581/9/4/85 |
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| article html file updated | 4 December 2020 05:02 CET | Update | - |
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| article pdf uploaded. | 4 November 2020 17:07 CET | Updated version of record | https://www.mdpi.com/2218-6581/9/4/85/pdf |
| article xml uploaded. | 4 November 2020 17:07 CET | Update | https://www.mdpi.com/2218-6581/9/4/85/xml |
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