| article html file updated | 6 February 2020 00:02 CET | Update | https://www.mdpi.com/2075-4418/3/1/105 |
| article html file updated | 8 May 2019 09:42 CEST | Update | - |
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| article html file updated | 17 June 2015 05:35 CEST | Update | - |
| article html file updated | 14 August 2014 11:41 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:41 CEST | Update | https://www.mdpi.com/2075-4418/3/1/105/xml |
| article html file updated | 14 August 2014 11:21 CEST | Update | - |
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| article html file updated | 8 February 2013 09:33 CET | Update | - |
| article html file updated | 7 February 2013 17:52 CET | Update | - |
| article html file updated | 24 January 2013 12:26 CET | Original file | - |
| article pdf uploaded. | 17 January 2013 11:20 CET | Version of Record | https://www.mdpi.com/2075-4418/3/1/105/pdf |
