| article html file updated | 6 February 2020 00:34 CET | Update | https://www.mdpi.com/2220-9964/2/1/82 |
| article html file updated | 8 May 2019 08:23 CEST | Update | - |
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| article xml file uploaded | 10 November 2014 07:32 CET | Original file | https://www.mdpi.com/2220-9964/2/1/82/xml |
| article pdf uploaded. | 18 February 2013 10:19 CET | Version of Record | https://www.mdpi.com/2220-9964/2/1/82/pdf |
