| article html file updated | 17 August 2026 02:58 CEST | Update | https://www.mdpi.com/2227-7099/8/1/13 |
| article html file updated | 31 August 2025 11:43 CEST | Update | N/A |
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| article html file updated | 1 April 2020 22:08 CEST | Update | N/A |
| article html file updated | 26 March 2020 12:10 CET | Original file | N/A |
| article pdf uploaded. | 26 March 2020 12:09 CET | Updated version of record | https://www.mdpi.com/2227-7099/8/1/13/pdf |
| article xml uploaded. | 26 March 2020 12:09 CET | Update | https://www.mdpi.com/2227-7099/8/1/13/xml |
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| article pdf uploaded. | 14 February 2020 15:25 CET | Version of Record | https://www.mdpi.com/2227-7099/8/1/13/pdf-vor |
| article xml file uploaded | 14 February 2020 15:25 CET | Original file | N/A |
