| article html file updated | 14 August 2026 13:47 CEST | Update | https://www.mdpi.com/2073-8994/9/4/54 |
| article html file updated | 8 February 2020 03:23 CET | Update | N/A |
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| article html file updated | 28 April 2017 07:15 CEST | Update | N/A |
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| article pdf uploaded. | 12 April 2017 09:52 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/4/54/pdf |
