| article html file updated | 30 August 2025 20:55 CEST | Update | https://www.mdpi.com/2079-9292/8/6/648 |
| article html file updated | 20 July 2022 15:51 CEST | Update | - |
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| article pdf uploaded. | 9 June 2019 10:18 CEST | Version of Record | https://www.mdpi.com/2079-9292/8/6/648/pdf |
| article xml uploaded. | 9 June 2019 10:18 CEST | Update | https://www.mdpi.com/2079-9292/8/6/648/xml |
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