| article html file updated | 29 August 2025 20:42 CEST | Update | https://www.mdpi.com/1420-3049/18/7/7977 |
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| article pdf uploaded. | 10 July 2013 12:17 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/7/7977/pdf |
| article pdf uploaded. | 8 July 2013 09:55 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/7/7977/pdf-vor |
