| article html file updated | 30 August 2025 03:13 CEST | Update | https://www.mdpi.com/1420-3049/23/4/771 |
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| article xml uploaded. | 28 March 2018 08:47 CEST | Original file | https://www.mdpi.com/1420-3049/23/4/771/xml |
| article pdf uploaded. | 28 March 2018 08:47 CEST | Updated version of record | https://www.mdpi.com/1420-3049/23/4/771/pdf |
| article pdf uploaded. | 27 March 2018 17:21 CEST | Updated version of record | https://www.mdpi.com/1420-3049/23/4/771/pdf-vor |
| article pdf uploaded. | 27 March 2018 17:19 CEST | Version of Record | https://www.mdpi.com/1420-3049/23/4/771/pdf-vor |