| article html file updated | 6 February 2020 15:51 CET | Update | https://www.mdpi.com/1420-3049/20/2/2857 |
| article html file updated | 20 September 2019 17:49 CEST | Update | - |
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| article xml file uploaded | 10 March 2015 07:36 CET | Original file | https://www.mdpi.com/1420-3049/20/2/2857/xml |
| article pdf uploaded. | 10 February 2015 12:48 CET | Version of Record | https://www.mdpi.com/1420-3049/20/2/2857/pdf |
