| article html file updated | 29 August 2025 22:05 CEST | Update | https://www.mdpi.com/1422-0067/16/9/21177 |
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| article xml file uploaded | 14 October 2015 13:01 CEST | Original file | https://www.mdpi.com/1422-0067/16/9/21177/xml |
| article pdf uploaded. | 14 September 2015 05:33 CEST | Updated version of record | https://www.mdpi.com/1422-0067/16/9/21177/pdf |
| article pdf uploaded. | 7 September 2015 08:57 CEST | Version of Record | https://www.mdpi.com/1422-0067/16/9/21177/pdf-vor |
