| article html file updated | 15 August 2026 20:47 CEST | Update | https://www.mdpi.com/2409-9287/4/2/13 |
| article html file updated | 12 February 2020 02:29 CET | Update | N/A |
| article html file updated | 25 April 2019 17:55 CEST | Update | N/A |
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| article html file updated | 4 April 2019 04:11 CEST | Update | N/A |
| article pdf uploaded. | 4 April 2019 04:10 CEST | Updated version of record | https://www.mdpi.com/2409-9287/4/2/13/pdf |
| article xml uploaded. | 4 April 2019 04:10 CEST | Update | https://www.mdpi.com/2409-9287/4/2/13/xml |
| article xml file uploaded | 4 April 2019 04:10 CEST | Update | N/A |
| article html file updated | 3 April 2019 15:04 CEST | Original file | N/A |
| article pdf uploaded. | 3 April 2019 15:03 CEST | Updated version of record | https://www.mdpi.com/2409-9287/4/2/13/pdf-vor |
| article xml file uploaded | 3 April 2019 15:03 CEST | Update | N/A |
| article pdf uploaded. | 2 April 2019 13:19 CEST | Version of Record | https://www.mdpi.com/2409-9287/4/2/13/pdf-vor |
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