| article html file updated | 6 February 2020 08:32 CET | Update | https://www.mdpi.com/2076-2615/4/2/184 |
| article html file updated | 20 September 2019 07:19 CEST | Update | - |
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| article html file updated | 21 March 2019 15:22 CET | Update | - |
| article html file updated | 20 August 2015 02:56 CEST | Update | - |
| article html file updated | 10 November 2014 07:31 CET | Original file | - |
| article xml file uploaded | 10 November 2014 07:31 CET | Original file | https://www.mdpi.com/2076-2615/4/2/184/xml |
| article pdf uploaded. | 11 April 2014 09:51 CEST | Version of Record | https://www.mdpi.com/2076-2615/4/2/184/pdf |
