| article html file updated | 12 August 2026 22:46 CEST | Update | https://www.mdpi.com/2077-1444/5/1/277 |
| article html file updated | 6 February 2020 07:38 CET | Update | N/A |
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| article pdf uploaded. | 3 March 2014 11:34 CET | Version of Record | https://www.mdpi.com/2077-1444/5/1/277/pdf |
