| article html file updated | 30 August 2025 02:40 CEST | Update | https://www.mdpi.com/1420-3049/23/2/456 |
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| article xml uploaded. | 20 February 2018 12:45 CET | Update | https://www.mdpi.com/1420-3049/23/2/456/xml |
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| article pdf uploaded. | 20 February 2018 12:45 CET | Updated version of record | https://www.mdpi.com/1420-3049/23/2/456/pdf |
| article pdf uploaded. | 18 February 2018 12:04 CET | Version of Record | https://www.mdpi.com/1420-3049/23/2/456/pdf-vor |
