| article html file updated | 30 August 2025 21:12 CEST | Update | https://www.mdpi.com/2223-7747/8/6/176 |
| article html file updated | 20 July 2022 15:32 CEST | Update | N/A |
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| article pdf uploaded. | 15 June 2019 10:02 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/6/176/pdf |
| article xml uploaded. | 15 June 2019 10:02 CEST | Update | https://www.mdpi.com/2223-7747/8/6/176/xml |
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