| article html file updated | 29 August 2025 21:54 CEST | Update | https://www.mdpi.com/2227-9067/2/3/289 |
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| article pdf uploaded. | 10 July 2015 16:16 CEST | Updated version of record | https://www.mdpi.com/2227-9067/2/3/289/pdf |
| article pdf uploaded. | 7 July 2015 14:35 CEST | Version of Record | https://www.mdpi.com/2227-9067/2/3/289/pdf-vor |
