| article html file updated | 29 August 2025 23:48 CEST | Update | https://www.mdpi.com/1996-1073/9/11/878 |
| article html file updated | 16 July 2022 03:41 CEST | Update | - |
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| article xml uploaded. | 27 October 2016 08:50 CEST | Update | https://www.mdpi.com/1996-1073/9/11/878/xml |
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| article pdf uploaded. | 27 October 2016 08:49 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/11/878/pdf |
