| article html file updated | 30 August 2025 09:18 CEST | Update | https://www.mdpi.com/2079-9268/8/4/49 |
| article html file updated | 17 July 2022 11:41 CEST | Update | N/A |
| article html file updated | 10 February 2020 23:49 CET | Update | N/A |
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| article html file updated | 28 November 2018 09:14 CET | Original file | N/A |
| article pdf uploaded. | 28 November 2018 09:13 CET | Version of Record | https://www.mdpi.com/2079-9268/8/4/49/pdf |
| article xml uploaded. | 28 November 2018 09:13 CET | Update | https://www.mdpi.com/2079-9268/8/4/49/xml |
| article xml file uploaded | 28 November 2018 09:12 CET | Original file | N/A |
