| article html file updated | 6 February 2020 13:45 CET | Update | https://www.mdpi.com/2079-4983/5/4/246 |
| article html file updated | 7 May 2019 05:18 CEST | Update | - |
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| article xml file uploaded | 30 December 2014 09:32 CET | Original file | https://www.mdpi.com/2079-4983/5/4/246/xml |
| article pdf uploaded. | 18 November 2014 15:54 CET | Version of Record | https://www.mdpi.com/2079-4983/5/4/246/pdf |
