| article html file updated | 31 August 2025 08:44 CEST | Update | https://www.mdpi.com/2309-608X/6/1/12 |
| article html file updated | 20 July 2022 17:16 CEST | Update | - |
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| article html file updated | 30 January 2020 13:17 CET | Original file | - |
| article pdf uploaded. | 30 January 2020 13:16 CET | Updated version of record | https://www.mdpi.com/2309-608X/6/1/12/pdf |
| article xml uploaded. | 30 January 2020 13:16 CET | Update | https://www.mdpi.com/2309-608X/6/1/12/xml |
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| article pdf uploaded. | 10 January 2020 17:42 CET | Updated version of record | https://www.mdpi.com/2309-608X/6/1/12/pdf-vor |
| article xml file uploaded | 10 January 2020 17:42 CET | Update | - |
| article pdf uploaded. | 10 January 2020 17:42 CET | Version of Record | https://www.mdpi.com/2309-608X/6/1/12/pdf-vor |
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