| article html file updated | 6 February 2020 08:46 CET | Update | https://www.mdpi.com/1420-3049/19/4/5191 |
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| article xml file uploaded | 23 May 2014 15:05 CEST | Original file | https://www.mdpi.com/1420-3049/19/4/5191/xml |
| article pdf uploaded. | 22 April 2014 11:55 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/4/5191/pdf |