| article html file updated | 30 August 2025 08:14 CEST | Update | https://www.mdpi.com/2075-1729/8/4/51 |
| article html file updated | 17 July 2022 06:19 CEST | Update | N/A |
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| article html file updated | 26 December 2018 21:56 CET | Update | N/A |
| article pdf uploaded. | 27 October 2018 07:58 CEST | Version of Record | https://www.mdpi.com/2075-1729/8/4/51/pdf |
| article xml uploaded. | 27 October 2018 07:58 CEST | Update | https://www.mdpi.com/2075-1729/8/4/51/xml |
| article xml file uploaded | 27 October 2018 07:58 CEST | Original file | N/A |
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