| article html file updated | 30 August 2025 21:24 CEST | Update | https://www.mdpi.com/1999-5903/11/6/135 |
| article html file updated | 20 July 2022 15:17 CEST | Update | - |
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| article html file updated | 21 June 2019 06:53 CEST | Original file | - |
| article pdf uploaded. | 20 June 2019 09:19 CEST | Version of Record | https://www.mdpi.com/1999-5903/11/6/135/pdf |
| article xml uploaded. | 20 June 2019 09:19 CEST | Update | https://www.mdpi.com/1999-5903/11/6/135/xml |
| article xml file uploaded | 20 June 2019 09:19 CEST | Original file | - |
