| article html file updated | 31 August 2025 04:00 CEST | Update | https://www.mdpi.com/2071-1050/11/21/6138 |
| article html file updated | 20 July 2022 00:21 CEST | Update | N/A |
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| article pdf uploaded. | 4 November 2019 04:48 CET | Updated version of record | https://www.mdpi.com/2071-1050/11/21/6138/pdf |
| article xml uploaded. | 4 November 2019 04:48 CET | Update | https://www.mdpi.com/2071-1050/11/21/6138/xml |
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| article html file updated | 4 November 2019 04:08 CET | Original file | N/A |
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