| article html file updated | 6 February 2020 13:10 CET | Update | https://www.mdpi.com/2079-4983/5/4/232 |
| article html file updated | 20 September 2019 14:11 CEST | Update | N/A |
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| article html file updated | 25 March 2019 16:37 CET | Update | N/A |
| article html file updated | 21 August 2015 00:30 CEST | Update | N/A |
| article html file updated | 30 December 2014 09:32 CET | Original file | N/A |
| article xml file uploaded | 30 December 2014 09:32 CET | Original file | https://www.mdpi.com/2079-4983/5/4/232/xml |
| article pdf uploaded. | 27 October 2014 13:24 CET | Version of Record | https://www.mdpi.com/2079-4983/5/4/232/pdf |
