| article html file updated | 6 February 2020 13:59 CET | Update | https://www.mdpi.com/2072-666X/5/4/1270 |
| article html file updated | 7 May 2019 04:52 CEST | Update | - |
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| article html file updated | 21 August 2015 02:49 CEST | Update | - |
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| article xml file uploaded | 4 January 2015 10:34 CET | Original file | https://www.mdpi.com/2072-666X/5/4/1270/xml |
| article pdf uploaded. | 27 November 2014 11:17 CET | Version of Record | https://www.mdpi.com/2072-666X/5/4/1270/pdf |
