| article html file updated | 31 August 2025 07:27 CEST | Update | https://www.mdpi.com/2072-6643/12/1/60 |
| article html file updated | 19 July 2022 20:51 CEST | Update | - |
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| article html file updated | 25 December 2019 09:00 CET | Original file | - |
| article pdf uploaded. | 25 December 2019 08:59 CET | Version of Record | https://www.mdpi.com/2072-6643/12/1/60/pdf |
| article xml uploaded. | 25 December 2019 08:59 CET | Update | https://www.mdpi.com/2072-6643/12/1/60/xml |
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