| article html file updated | 29 August 2025 21:53 CEST | Update | https://www.mdpi.com/2218-273X/5/3/1399 |
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| article pdf uploaded. | 10 July 2015 08:55 CEST | Updated version of record | https://www.mdpi.com/2218-273X/5/3/1399/pdf |
| article pdf uploaded. | 2 July 2015 13:27 CEST | Version of Record | https://www.mdpi.com/2218-273X/5/3/1399/pdf-vor |
