| article html file updated | 8 January 2020 20:17 CET | Update | https://www.mdpi.com/1424-8220/13/1/1085 |
| article html file updated | 19 September 2019 17:03 CEST | Update | - |
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| article xml file uploaded | 30 October 2013 09:20 CET | Update | https://www.mdpi.com/1424-8220/13/1/1085/xml |
| article html file updated | 23 April 2013 14:51 CEST | Update | - |
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| article html file updated | 5 March 2013 16:42 CET | Update | - |
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| article html file updated | 22 February 2013 08:31 CET | Original file | - |
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| article pdf uploaded. | 17 January 2013 16:33 CET | Version of Record | https://www.mdpi.com/1424-8220/13/1/1085/pdf |
