| article html file updated | 30 August 2025 02:16 CEST | Update | https://www.mdpi.com/1996-1073/11/1/207 |
| article html file updated | 16 July 2022 08:34 CEST | Update | N/A |
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| article html file updated | 16 January 2018 13:55 CET | Original file | N/A |
| article xml uploaded. | 16 January 2018 13:54 CET | Update | https://www.mdpi.com/1996-1073/11/1/207/xml |
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| article pdf uploaded. | 16 January 2018 13:54 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/1/207/pdf |
| article pdf uploaded. | 15 January 2018 17:43 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/207/pdf-vor |