| article html file updated | 30 August 2025 00:17 CEST | Update | https://www.mdpi.com/1996-1073/10/2/151 |
| article html file updated | 16 July 2022 04:38 CEST | Update | - |
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| article html file updated | 24 January 2017 08:26 CET | Original file | - |
| article xml uploaded. | 24 January 2017 08:25 CET | Update | https://www.mdpi.com/1996-1073/10/2/151/xml |
| article xml uploaded. | 24 January 2017 08:25 CET | Original file | - |
| article pdf uploaded. | 24 January 2017 08:25 CET | Version of Record | https://www.mdpi.com/1996-1073/10/2/151/pdf |
