| article html file updated | 15 August 2026 13:22 CEST | Update | https://www.mdpi.com/2410-390X/3/1/2 |
| article html file updated | 11 February 2020 04:55 CET | Update | N/A |
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| article html file updated | 23 December 2018 09:09 CET | Original file | N/A |
| article pdf uploaded. | 23 December 2018 09:08 CET | Version of Record | https://www.mdpi.com/2410-390X/3/1/2/pdf |
| article xml uploaded. | 23 December 2018 09:08 CET | Update | https://www.mdpi.com/2410-390X/3/1/2/xml |
| article xml file uploaded | 23 December 2018 09:08 CET | Original file | N/A |
