| article html file updated | 31 August 2025 07:29 CEST | Update | https://www.mdpi.com/2220-9964/9/1/13 |
| article html file updated | 19 July 2022 20:49 CEST | Update | N/A |
| article html file updated | 14 February 2020 21:44 CET | Update | N/A |
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| article html file updated | 9 January 2020 02:28 CET | Original file | N/A |
| article pdf uploaded. | 9 January 2020 02:27 CET | Updated version of record | https://www.mdpi.com/2220-9964/9/1/13/pdf |
| article xml uploaded. | 9 January 2020 02:27 CET | Update | https://www.mdpi.com/2220-9964/9/1/13/xml |
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| article pdf uploaded. | 7 January 2020 12:49 CET | Updated version of record | https://www.mdpi.com/2220-9964/9/1/13/pdf-vor |
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| article pdf uploaded. | 25 December 2019 14:34 CET | Version of Record | https://www.mdpi.com/2220-9964/9/1/13/pdf-vor |
| article xml file uploaded | 25 December 2019 14:34 CET | Original file | N/A |
