| article html file updated | 31 August 2025 15:06 CEST | Update | https://www.mdpi.com/2079-7737/9/3/60 |
| article html file updated | 20 July 2022 23:36 CEST | Update | - |
| article html file updated | 1 April 2020 15:41 CEST | Update | - |
| article html file updated | 21 March 2020 12:20 CET | Update | - |
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| article pdf uploaded. | 21 March 2020 12:19 CET | Updated version of record | https://www.mdpi.com/2079-7737/9/3/60/pdf |
| article xml uploaded. | 21 March 2020 12:19 CET | Update | https://www.mdpi.com/2079-7737/9/3/60/xml |
| article xml file uploaded | 21 March 2020 12:19 CET | Update | - |
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