| article html file updated | 29 August 2025 20:54 CEST | Update | https://www.mdpi.com/2073-4468/3/1/16 |
| article html file updated | 15 July 2022 22:46 CEST | Update | N/A |
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| article xml file uploaded | 27 November 2014 04:17 CET | Original file | https://www.mdpi.com/2073-4468/3/1/16/xml |
| article pdf uploaded. | 24 January 2014 14:37 CET | Updated version of record | https://www.mdpi.com/2073-4468/3/1/16/pdf |
| article pdf uploaded. | 23 December 2013 11:06 CET | Version of Record | https://www.mdpi.com/2073-4468/3/1/16/pdf-vor |
