| article html file updated | 31 August 2025 08:03 CEST | Update | https://www.mdpi.com/2227-9717/8/1/61 |
| article html file updated | 19 July 2022 20:16 CEST | Update | - |
| article html file updated | 14 February 2020 23:37 CET | Update | - |
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| article pdf uploaded. | 19 January 2020 03:36 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/1/61/pdf |
| article xml uploaded. | 19 January 2020 03:36 CET | Update | https://www.mdpi.com/2227-9717/8/1/61/xml |
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| article pdf uploaded. | 2 January 2020 10:30 CET | Version of Record | https://www.mdpi.com/2227-9717/8/1/61/pdf-vor |
| article xml file uploaded | 2 January 2020 10:30 CET | Original file | - |
