| article html file updated | 6 February 2020 16:38 CET | Update | https://www.mdpi.com/1420-3049/20/3/4720 |
| article html file updated | 20 September 2019 18:51 CEST | Update | - |
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| article xml file uploaded | 3 April 2015 12:51 CEST | Original file | https://www.mdpi.com/1420-3049/20/3/4720/xml |
| article pdf uploaded. | 16 March 2015 10:36 CET | Version of Record | https://www.mdpi.com/1420-3049/20/3/4720/pdf |
