| article html file updated | 29 August 2025 22:43 CEST | Update | https://www.mdpi.com/1420-3049/21/2/222 |
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| article html file updated | 17 September 2018 03:16 CEST | Original file | N/A |
| article pdf uploaded. | 22 February 2016 17:16 CET | Updated version of record | https://www.mdpi.com/1420-3049/21/2/222/pdf |
| article pdf uploaded. | 17 February 2016 10:23 CET | Version of Record | https://www.mdpi.com/1420-3049/21/2/222/pdf-vor |
| article xml uploaded. | 17 February 2016 10:23 CET | Original file | https://www.mdpi.com/1420-3049/21/2/222/xml |
