| article html file updated | 30 August 2025 07:56 CEST | Update | https://www.mdpi.com/2076-2607/6/4/107 |
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| article html file updated | 26 December 2018 22:57 CET | Update | - |
| article pdf uploaded. | 18 October 2018 13:00 CEST | Version of Record | https://www.mdpi.com/2076-2607/6/4/107/pdf |
| article xml uploaded. | 18 October 2018 13:00 CEST | Update | https://www.mdpi.com/2076-2607/6/4/107/xml |
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