| article html file updated | 6 February 2020 07:15 CET | Update | https://www.mdpi.com/2077-0383/3/1/191 |
| article html file updated | 20 September 2019 05:52 CEST | Update | - |
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| article html file updated | 21 March 2019 12:20 CET | Update | - |
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| article html file updated | 16 December 2014 04:50 CET | Update | - |
| article xml file uploaded | 16 December 2014 04:50 CET | Update | https://www.mdpi.com/2077-0383/3/1/191/xml |
| article html file updated | 10 December 2014 09:53 CET | Original file | - |
| article xml file uploaded | 10 December 2014 09:53 CET | Original file | - |
| article pdf uploaded. | 14 February 2014 15:23 CET | Version of Record | https://www.mdpi.com/2077-0383/3/1/191/pdf |
