| article html file updated | 31 August 2025 07:18 CEST | Update | https://www.mdpi.com/2071-1050/12/1/139 |
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| article html file updated | 23 December 2019 12:51 CET | Original file | - |
| article pdf uploaded. | 23 December 2019 12:49 CET | Version of Record | https://www.mdpi.com/2071-1050/12/1/139/pdf |
| article xml uploaded. | 23 December 2019 12:49 CET | Update | https://www.mdpi.com/2071-1050/12/1/139/xml |
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