| article html file updated | 1 September 2025 22:31 CEST | Update | https://www.mdpi.com/2309-608X/7/2/157 |
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| article pdf uploaded. | 26 February 2021 02:16 CET | Updated version of record | https://www.mdpi.com/2309-608X/7/2/157/pdf |
| article xml uploaded. | 26 February 2021 02:16 CET | Update | https://www.mdpi.com/2309-608X/7/2/157/xml |
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| article pdf uploaded. | 24 February 2021 08:22 CET | Updated version of record | https://www.mdpi.com/2309-608X/7/2/157/pdf-vor |
| article pdf uploaded. | 23 February 2021 12:04 CET | Version of Record | https://www.mdpi.com/2309-608X/7/2/157/pdf-vor |
