| article html file updated | 16 August 2026 22:30 CEST | Update | https://www.mdpi.com/2071-1050/12/1/269 |
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| article pdf uploaded. | 29 December 2019 10:31 CET | Version of Record | https://www.mdpi.com/2071-1050/12/1/269/pdf |
| article xml uploaded. | 29 December 2019 10:31 CET | Update | https://www.mdpi.com/2071-1050/12/1/269/xml |
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