| article html file updated | 29 August 2025 23:56 CEST | Update | https://www.mdpi.com/2227-9067/3/4/36 |
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| article pdf uploaded. | 23 November 2016 09:45 CET | Updated version of record | https://www.mdpi.com/2227-9067/3/4/36/pdf |
| article html file updated | 22 November 2016 14:10 CET | Original file | N/A |
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| article pdf uploaded. | 22 November 2016 14:09 CET | Version of Record | https://www.mdpi.com/2227-9067/3/4/36/pdf-vor |
