| article html file updated | 6 February 2020 15:03 CET | Update | https://www.mdpi.com/2079-4983/6/1/14 |
| article html file updated | 7 May 2019 02:44 CEST | Update | - |
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| article html file updated | 21 August 2015 05:30 CEST | Update | - |
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| article xml file uploaded | 3 April 2015 12:06 CEST | Original file | https://www.mdpi.com/2079-4983/6/1/14/xml |
| article pdf uploaded. | 9 January 2015 10:00 CET | Version of Record | https://www.mdpi.com/2079-4983/6/1/14/pdf |
