| article html file updated | 30 August 2025 09:27 CEST | Update | https://www.mdpi.com/1999-5903/10/12/120 |
| article html file updated | 17 July 2022 12:29 CEST | Update | - |
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| article html file updated | 25 December 2018 04:12 CET | Update | - |
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| article pdf uploaded. | 14 December 2018 05:11 CET | Updated version of record | https://www.mdpi.com/1999-5903/10/12/120/pdf |
| article xml uploaded. | 14 December 2018 05:11 CET | Update | https://www.mdpi.com/1999-5903/10/12/120/xml |
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| article pdf uploaded. | 1 December 2018 11:10 CET | Version of Record | https://www.mdpi.com/1999-5903/10/12/120/pdf-vor |
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