| article html file updated | 2 September 2025 08:31 CEST | Update | https://www.mdpi.com/2227-9067/8/6/440 |
| article html file updated | 26 July 2022 20:58 CEST | Update | - |
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| article pdf uploaded. | 24 May 2021 10:01 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/6/440/pdf |
| article xml uploaded. | 24 May 2021 10:01 CEST | Update | https://www.mdpi.com/2227-9067/8/6/440/xml |
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