| article html file updated | 31 August 2025 02:07 CEST | Update | https://www.mdpi.com/2218-1989/9/10/204 |
| article html file updated | 20 July 2022 02:35 CEST | Update | - |
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| article html file updated | 31 October 2019 00:08 CET | Update | - |
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| article pdf uploaded. | 27 September 2019 15:31 CEST | Version of Record | https://www.mdpi.com/2218-1989/9/10/204/pdf |
| article xml uploaded. | 27 September 2019 15:31 CEST | Update | https://www.mdpi.com/2218-1989/9/10/204/xml |
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