| article html file updated | 15 August 2026 10:32 CEST | Update | https://www.mdpi.com/2413-8851/2/4/107 |
| article html file updated | 10 February 2020 20:36 CET | Update | N/A |
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| article html file updated | 9 November 2018 15:40 CET | Original file | N/A |
| article pdf uploaded. | 9 November 2018 15:38 CET | Version of Record | https://www.mdpi.com/2413-8851/2/4/107/pdf |
| article xml uploaded. | 9 November 2018 15:38 CET | Update | https://www.mdpi.com/2413-8851/2/4/107/xml |
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