| article html file updated | 14 August 2026 18:48 CEST | Update | https://www.mdpi.com/2071-1050/9/11/2009 |
| article html file updated | 8 February 2020 20:09 CET | Update | N/A |
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| article pdf uploaded. | 2 November 2017 09:56 CET | Version of Record | https://www.mdpi.com/2071-1050/9/11/2009/pdf |
