| article html file updated | 6 February 2020 16:09 CET | Update | https://www.mdpi.com/2225-1146/3/1/101 |
| article html file updated | 7 May 2019 00:37 CEST | Update | - |
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| article html file updated | 14 March 2018 08:35 CET | Update | - |
| article html file updated | 11 November 2015 10:26 CET | Original file | - |
| article xml file uploaded | 11 November 2015 10:26 CET | Original file | https://www.mdpi.com/2225-1146/3/1/101/xml |
| article pdf uploaded. | 26 February 2015 10:14 CET | Version of Record | https://www.mdpi.com/2225-1146/3/1/101/pdf |
