| article html file updated | 6 February 2020 06:32 CET | Update | https://www.mdpi.com/2072-6651/6/1/194 |
| article html file updated | 7 May 2019 20:11 CEST | Update | - |
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| article html file updated | 19 August 2015 16:27 CEST | Update | - |
| article html file updated | 17 February 2014 12:40 CET | Original file | - |
| article xml file uploaded | 17 February 2014 12:39 CET | Original file | https://www.mdpi.com/2072-6651/6/1/194/xml |
| article pdf uploaded. | 3 January 2014 09:16 CET | Version of Record | https://www.mdpi.com/2072-6651/6/1/194/pdf |
