| article html file updated | 6 February 2020 21:01 CET | Update | https://www.mdpi.com/2071-1050/7/8/10007 |
| article html file updated | 6 May 2019 15:02 CEST | Update | - |
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| article html file updated | 3 September 2015 03:56 CEST | Update | - |
| article xml file uploaded | 3 September 2015 03:56 CEST | Original file | https://www.mdpi.com/2071-1050/7/8/10007/xml |
| article html file updated | 21 August 2015 15:13 CEST | Original file | - |
| article pdf uploaded. | 24 July 2015 12:01 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/8/10007/pdf |
