| article html file updated | 31 August 2025 13:49 CEST | Update | https://www.mdpi.com/2227-9717/8/3/309 |
| article html file updated | 20 July 2022 22:18 CEST | Update | - |
| article html file updated | 26 March 2020 07:36 CET | Original file | - |
| article pdf uploaded. | 26 March 2020 07:34 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/3/309/pdf |
| article xml uploaded. | 26 March 2020 07:34 CET | Update | https://www.mdpi.com/2227-9717/8/3/309/xml |
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| article pdf uploaded. | 7 March 2020 13:16 CET | Version of Record | https://www.mdpi.com/2227-9717/8/3/309/pdf-vor |
| article xml file uploaded | 7 March 2020 13:16 CET | Original file | - |
