| article html file updated | 6 February 2020 08:54 CET | Update | https://www.mdpi.com/1420-3049/19/5/5490 |
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| article html file updated | 5 June 2014 08:49 CEST | Original file | - |
| article xml file uploaded | 5 June 2014 08:49 CEST | Original file | https://www.mdpi.com/1420-3049/19/5/5490/xml |
| article pdf uploaded. | 28 April 2014 13:37 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/5/5490/pdf |