| article html file updated | 14 August 2026 18:30 CEST | Update | https://www.mdpi.com/2077-1312/5/4/50 |
| article html file updated | 8 February 2020 19:17 CET | Update | N/A |
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| article pdf uploaded. | 24 October 2017 11:02 CEST | Version of Record | https://www.mdpi.com/2077-1312/5/4/50/pdf |
