| article html file updated | 30 August 2025 21:23 CEST | Update | https://www.mdpi.com/2199-8531/5/2/33 |
| article html file updated | 20 July 2022 15:18 CEST | Update | N/A |
| article html file updated | 12 February 2020 20:52 CET | Update | N/A |
| article html file updated | 22 October 2019 04:31 CEST | Update | N/A |
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| article pdf uploaded. | 20 June 2019 05:12 CEST | Version of Record | https://www.mdpi.com/2199-8531/5/2/33/pdf |
| article xml uploaded. | 20 June 2019 05:12 CEST | Update | https://www.mdpi.com/2199-8531/5/2/33/xml |
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