| article html file updated | 30 August 2025 00:08 CEST | Update | https://www.mdpi.com/1999-4907/8/1/18 |
| article html file updated | 16 July 2022 04:18 CEST | Update | N/A |
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| article pdf uploaded. | 29 December 2016 03:53 CET | Version of Record | https://www.mdpi.com/1999-4907/8/1/18/pdf |
