| article html file updated | 30 August 2025 21:30 CEST | Update | https://www.mdpi.com/2076-3921/8/6/191 |
| article html file updated | 20 July 2022 15:10 CEST | Update | - |
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| article html file updated | 22 October 2019 07:52 CEST | Update | - |
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| article pdf uploaded. | 22 June 2019 05:28 CEST | Version of Record | https://www.mdpi.com/2076-3921/8/6/191/pdf |
| article xml uploaded. | 22 June 2019 05:28 CEST | Update | https://www.mdpi.com/2076-3921/8/6/191/xml |
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