| article html file updated | 30 August 2025 09:09 CEST | Update | https://www.mdpi.com/2409-9287/3/4/40 |
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| article html file updated | 23 November 2018 09:29 CET | Original file | N/A |
| article pdf uploaded. | 23 November 2018 09:27 CET | Version of Record | https://www.mdpi.com/2409-9287/3/4/40/pdf |
| article xml uploaded. | 23 November 2018 09:27 CET | Update | https://www.mdpi.com/2409-9287/3/4/40/xml |
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