| article html file updated | 6 February 2020 00:32 CET | Update | https://www.mdpi.com/1422-0067/14/2/3860 |
| article html file updated | 8 May 2019 08:28 CEST | Update | - |
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| article xml file uploaded | 3 December 2013 08:17 CET | Update | https://www.mdpi.com/1422-0067/14/2/3860/xml |
| article html file updated | 5 March 2013 19:35 CET | Original file | - |
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| article pdf uploaded. | 12 February 2013 09:01 CET | Version of Record | https://www.mdpi.com/1422-0067/14/2/3860/pdf |