| article html file updated | 31 August 2025 07:39 CEST | Update | https://www.mdpi.com/2071-1050/12/1/257 |
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| article html file updated | 28 December 2019 07:05 CET | Original file | - |
| article pdf uploaded. | 28 December 2019 07:03 CET | Version of Record | https://www.mdpi.com/2071-1050/12/1/257/pdf |
| article xml uploaded. | 28 December 2019 07:03 CET | Update | https://www.mdpi.com/2071-1050/12/1/257/xml |
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