| article html file updated | 6 February 2020 12:06 CET | Update | https://www.mdpi.com/1420-3049/19/9/14221 |
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| article xml file uploaded | 9 October 2014 11:23 CEST | Original file | https://www.mdpi.com/1420-3049/19/9/14221/xml |
| article pdf uploaded. | 10 September 2014 11:17 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/9/14221/pdf |