| article html file updated | 6 February 2020 12:31 CET | Update | https://www.mdpi.com/1420-3049/19/10/15521 |
| article html file updated | 20 September 2019 13:21 CEST | Update | - |
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| article html file updated | 31 October 2014 08:17 CET | Original file | - |
| article xml file uploaded | 31 October 2014 08:17 CET | Original file | https://www.mdpi.com/1420-3049/19/10/15521/xml |
| article pdf uploaded. | 29 September 2014 09:18 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/10/15521/pdf |
