| article html file updated | 31 August 2025 08:33 CEST | Update | https://www.mdpi.com/2079-9721/8/1/2 |
| article html file updated | 19 July 2022 19:46 CEST | Update | N/A |
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| article supplementary file uploaded. | 9 January 2020 10:49 CET | - | https://www.mdpi.com/2079-9721/8/1/2#supplementary |
| article pdf uploaded. | 9 January 2020 10:49 CET | Version of Record | https://www.mdpi.com/2079-9721/8/1/2/pdf |
| article xml uploaded. | 9 January 2020 10:49 CET | Update | https://www.mdpi.com/2079-9721/8/1/2/xml |
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