| article html file updated | 13 August 2026 21:50 CEST | Update | https://www.mdpi.com/2225-1154/3/2/349 |
| article html file updated | 6 February 2020 19:13 CET | Update | N/A |
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| article pdf uploaded. | 29 May 2015 15:07 CEST | Version of Record | https://www.mdpi.com/2225-1154/3/2/349/pdf-vor |
