| article html file updated | 8 February 2020 05:30 CET | Update | https://www.mdpi.com/2075-4663/5/2/27 |
| article html file updated | 24 September 2019 18:01 CEST | Update | - |
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| article html file updated | 29 June 2017 11:51 CEST | Update | - |
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| article html file updated | 10 May 2017 12:55 CEST | Original file | - |
| article xml uploaded. | 10 May 2017 12:54 CEST | Update | https://www.mdpi.com/2075-4663/5/2/27/xml |
| article pdf uploaded. | 10 May 2017 12:54 CEST | Version of Record | https://www.mdpi.com/2075-4663/5/2/27/pdf |
