| article html file updated | 7 February 2020 08:02 CET | Update | https://www.mdpi.com/1420-3049/21/5/479 |
| article html file updated | 21 September 2019 16:18 CEST | Update | - |
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| article xml uploaded. | 4 May 2016 11:25 CEST | Update | https://www.mdpi.com/1420-3049/21/5/479/xml |
| article pdf uploaded. | 4 May 2016 11:23 CEST | Updated version of record | https://www.mdpi.com/1420-3049/21/5/479/pdf |
| article html file updated | 29 April 2016 13:53 CEST | Original file | - |
| article pdf uploaded. | 29 April 2016 13:51 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/5/479/pdf-vor |