| article html file updated | 30 August 2025 02:37 CEST | Update | https://www.mdpi.com/2072-6643/10/2/209 |
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| article xml uploaded. | 20 February 2018 16:01 CET | Original file | https://www.mdpi.com/2072-6643/10/2/209/xml |
| article pdf uploaded. | 20 February 2018 16:01 CET | Updated version of record | https://www.mdpi.com/2072-6643/10/2/209/pdf |
| article pdf uploaded. | 14 February 2018 16:38 CET | Version of Record | https://www.mdpi.com/2072-6643/10/2/209/pdf-vor |
