| article html file updated | 29 August 2025 23:12 CEST | Update | https://www.mdpi.com/1996-1073/9/6/443 |
| article html file updated | 16 July 2022 02:35 CEST | Update | N/A |
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| article xml uploaded. | 8 June 2016 11:33 CEST | Update | https://www.mdpi.com/1996-1073/9/6/443/xml |
| article pdf uploaded. | 8 June 2016 11:33 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/6/443/pdf |
