| article html file updated | 29 August 2025 21:01 CEST | Update | https://www.mdpi.com/2072-6643/6/4/1333 |
| article html file updated | 15 July 2022 22:57 CEST | Update | - |
| article html file updated | 6 February 2020 08:19 CET | Update | - |
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| article html file updated | 12 May 2014 15:29 CEST | Original file | - |
| article xml file uploaded | 12 May 2014 15:29 CEST | Original file | https://www.mdpi.com/2072-6643/6/4/1333/xml |
| article pdf uploaded. | 17 April 2014 09:59 CEST | Updated version of record | https://www.mdpi.com/2072-6643/6/4/1333/pdf |
| article pdf uploaded. | 2 April 2014 08:46 CEST | Version of Record | https://www.mdpi.com/2072-6643/6/4/1333/pdf-vor |
