| article html file updated | 6 February 2020 08:41 CET | Update | https://www.mdpi.com/1420-3049/19/4/4924 |
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| article xml file uploaded | 23 May 2014 15:04 CEST | Original file | https://www.mdpi.com/1420-3049/19/4/4924/xml |
| article pdf uploaded. | 17 April 2014 13:59 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/4/4924/pdf |