| article html file updated | 30 August 2025 02:42 CEST | Update | https://www.mdpi.com/1996-1073/11/2/463 |
| article html file updated | 16 July 2022 09:24 CEST | Update | - |
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| article html file updated | 24 February 2018 04:23 CET | Original file | - |
| article xml uploaded. | 24 February 2018 04:22 CET | Update | https://www.mdpi.com/1996-1073/11/2/463/xml |
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| article pdf uploaded. | 24 February 2018 04:22 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/463/pdf |
| article pdf uploaded. | 22 February 2018 18:46 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/463/pdf-vor |
