| article html file updated | 8 February 2020 05:53 CET | Update | https://www.mdpi.com/1996-1073/10/5/693 |
| article html file updated | 24 September 2019 20:02 CEST | Update | - |
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| article html file updated | 27 May 2017 03:19 CEST | Update | - |
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| article html file updated | 15 May 2017 17:55 CEST | Original file | - |
| article xml uploaded. | 15 May 2017 17:54 CEST | Update | https://www.mdpi.com/1996-1073/10/5/693/xml |
| article pdf uploaded. | 15 May 2017 17:54 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/5/693/pdf |
