| article html file updated | 6 February 2020 00:17 CET | Update | https://www.mdpi.com/1422-0067/14/2/2846 |
| article html file updated | 8 May 2019 09:08 CEST | Update | - |
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| article html file updated | 3 December 2013 08:15 CET | Update | - |
| article xml file uploaded | 3 December 2013 08:15 CET | Update | https://www.mdpi.com/1422-0067/14/2/2846/xml |
| article html file updated | 5 March 2013 18:51 CET | Original file | - |
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| article pdf uploaded. | 29 January 2013 10:24 CET | Version of Record | https://www.mdpi.com/1422-0067/14/2/2846/pdf |