| article html file updated | 29 August 2025 22:39 CEST | Update | https://www.mdpi.com/1420-3049/21/2/142 |
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| article html file updated | 17 September 2018 02:50 CEST | Original file | N/A |
| article pdf uploaded. | 27 January 2016 11:19 CET | Version of Record | https://www.mdpi.com/1420-3049/21/2/142/pdf |
| article xml uploaded. | 27 January 2016 11:19 CET | Original file | https://www.mdpi.com/1420-3049/21/2/142/xml |
