| article html file updated | 6 February 2020 16:58 CET | Update | https://www.mdpi.com/2072-6643/7/4/2125 |
| article html file updated | 20 September 2019 19:16 CEST | Update | - |
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| article html file updated | 25 March 2019 23:33 CET | Update | - |
| article html file updated | 21 August 2015 09:17 CEST | Update | - |
| article html file updated | 28 April 2015 08:09 CEST | Original file | - |
| article xml file uploaded | 28 April 2015 08:09 CEST | Original file | https://www.mdpi.com/2072-6643/7/4/2125/xml |
| article pdf uploaded. | 25 March 2015 11:36 CET | Version of Record | https://www.mdpi.com/2072-6643/7/4/2125/pdf |
