| article html file updated | 13 August 2026 04:20 CEST | Update | https://www.mdpi.com/2225-1146/2/3/123 |
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| article pdf uploaded. | 19 September 2014 16:23 CEST | Updated version of record | https://www.mdpi.com/2225-1146/2/3/123/pdf |
| article pdf uploaded. | 19 September 2014 15:21 CEST | Version of Record | https://www.mdpi.com/2225-1146/2/3/123/pdf-vor |
