| article html file updated | 30 August 2025 07:59 CEST | Update | https://www.mdpi.com/2077-1312/6/4/122 |
| article html file updated | 17 July 2022 05:28 CEST | Update | - |
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| article html file updated | 26 December 2018 11:48 CET | Update | - |
| article html file updated | 31 October 2018 06:18 CET | Original file | - |
| article pdf uploaded. | 31 October 2018 03:31 CET | Updated version of record | https://www.mdpi.com/2077-1312/6/4/122/pdf |
| article xml uploaded. | 31 October 2018 03:31 CET | Update | https://www.mdpi.com/2077-1312/6/4/122/xml |
| article xml file uploaded | 31 October 2018 03:31 CET | Update | - |
| article pdf uploaded. | 19 October 2018 14:13 CEST | Updated version of record | https://www.mdpi.com/2077-1312/6/4/122/pdf-vor |
| article pdf uploaded. | 19 October 2018 14:00 CEST | Version of Record | https://www.mdpi.com/2077-1312/6/4/122/pdf-vor |
| article xml file uploaded | 19 October 2018 14:00 CEST | Original file | - |