| article html file updated | 14 August 2026 13:32 CEST | Update | https://www.mdpi.com/2072-6651/9/4/121 |
| article html file updated | 8 February 2020 02:31 CET | Update | N/A |
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| article pdf uploaded. | 29 March 2017 14:35 CEST | Version of Record | https://www.mdpi.com/2072-6651/9/4/121/pdf |
