| article html file updated | 29 August 2025 21:49 CEST | Update | https://www.mdpi.com/1996-1944/8/6/3377 |
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| article xml file uploaded | 7 July 2015 12:52 CEST | Original file | https://www.mdpi.com/1996-1944/8/6/3377/xml |
| article pdf uploaded. | 11 June 2015 09:10 CEST | Updated version of record | https://www.mdpi.com/1996-1944/8/6/3377/pdf |
| article pdf uploaded. | 10 June 2015 11:54 CEST | Version of Record | https://www.mdpi.com/1996-1944/8/6/3377/pdf-vor |
