| article html file updated | 12 August 2026 19:39 CEST | Update | https://www.mdpi.com/2073-8994/5/3/253 |
| article html file updated | 6 February 2020 03:10 CET | Update | N/A |
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| article html file updated | 19 December 2016 11:45 CET | Original file | N/A |
| article pdf uploaded. | 15 July 2013 11:08 CEST | Updated version of record | https://www.mdpi.com/2073-8994/5/3/253/pdf |
| article pdf uploaded. | 12 July 2013 14:55 CEST | Version of Record | https://www.mdpi.com/2073-8994/5/3/253/pdf-vor |
