| article html file updated | 17 August 2026 05:30 CEST | Update | https://www.mdpi.com/2304-8158/9/3/324 |
| article html file updated | 24 December 2025 17:55 CET | Update | N/A |
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| article html file updated | 25 March 2020 14:19 CET | Original file | N/A |
| article pdf uploaded. | 25 March 2020 14:18 CET | Updated version of record | https://www.mdpi.com/2304-8158/9/3/324/pdf |
| article xml uploaded. | 25 March 2020 14:18 CET | Update | https://www.mdpi.com/2304-8158/9/3/324/xml |
| article xml file uploaded | 25 March 2020 14:18 CET | Update | N/A |
| article pdf uploaded. | 11 March 2020 12:03 CET | Version of Record | https://www.mdpi.com/2304-8158/9/3/324/pdf-vor |
| article xml file uploaded | 11 March 2020 12:03 CET | Original file | N/A |
