| article html file updated | 6 February 2020 09:39 CET | Update | https://www.mdpi.com/1420-3049/19/6/7152 |
| article html file updated | 20 September 2019 08:48 CEST | Update | - |
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| article html file updated | 3 September 2014 12:52 CEST | Update | - |
| article xml file uploaded | 3 September 2014 12:52 CEST | Update | https://www.mdpi.com/1420-3049/19/6/7152/xml |
| article html file updated | 1 July 2014 05:21 CEST | Original file | - |
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| article pdf uploaded. | 30 May 2014 12:25 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/6/7152/pdf |
