| article html file updated | 30 August 2025 21:36 CEST | Update | https://www.mdpi.com/2227-7102/9/2/158 |
| article html file updated | 20 July 2022 15:02 CEST | Update | - |
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| article html file updated | 25 June 2019 12:04 CEST | Original file | - |
| article pdf uploaded. | 25 June 2019 12:02 CEST | Version of Record | https://www.mdpi.com/2227-7102/9/2/158/pdf |
| article xml uploaded. | 25 June 2019 12:02 CEST | Update | https://www.mdpi.com/2227-7102/9/2/158/xml |
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