| article html file updated | 16 August 2026 00:15 CEST | Update | https://www.mdpi.com/1424-8247/12/2/73 |
| article html file updated | 12 February 2020 13:01 CET | Update | N/A |
| article html file updated | 20 October 2019 06:23 CEST | Update | N/A |
| article html file updated | 29 September 2019 08:49 CEST | Update | N/A |
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| article html file updated | 13 June 2019 12:18 CEST | Original file | N/A |
| article pdf uploaded. | 13 June 2019 12:16 CEST | Updated version of record | https://www.mdpi.com/1424-8247/12/2/73/pdf |
| article xml uploaded. | 13 June 2019 12:16 CEST | Update | https://www.mdpi.com/1424-8247/12/2/73/xml |
| article xml file uploaded | 13 June 2019 12:16 CEST | Update | N/A |
| article pdf uploaded. | 16 May 2019 16:28 CEST | Version of Record | https://www.mdpi.com/1424-8247/12/2/73/pdf-vor |
| article xml file uploaded | 16 May 2019 16:28 CEST | Original file | N/A |
