| article html file updated | 29 August 2025 20:59 CEST | Update | https://www.mdpi.com/2227-7099/2/1/45 |
| article html file updated | 15 July 2022 22:55 CEST | Update | N/A |
| article html file updated | 6 February 2020 07:45 CET | Update | N/A |
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| article pdf uploaded. | 6 March 2014 14:05 CET | Version of Record | https://www.mdpi.com/2227-7099/2/1/45/pdf |
