| article html file updated | 14 August 2026 13:35 CEST | Update | https://www.mdpi.com/2076-0817/6/2/14 |
| article html file updated | 8 February 2020 02:39 CET | Update | N/A |
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| article pdf uploaded. | 4 April 2017 09:29 CEST | Version of Record | https://www.mdpi.com/2076-0817/6/2/14/pdf |
