| article html file updated | 28 September 2025 19:21 CEST | Update | https://www.mdpi.com/2071-1050/5/7/2928 |
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| article pdf uploaded. | 5 July 2013 16:57 CEST | Updated version of record | https://www.mdpi.com/2071-1050/5/7/2928/pdf |
| article pdf uploaded. | 4 July 2013 13:43 CEST | Version of Record | https://www.mdpi.com/2071-1050/5/7/2928/pdf-vor |
