| article html file updated | 7 February 2020 08:52 CET | Update | https://www.mdpi.com/2076-3921/5/2/16 |
| article html file updated | 5 May 2019 15:30 CEST | Update | - |
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| article html file updated | 4 July 2016 06:23 CEST | Update | - |
| article html file updated | 18 May 2016 08:10 CEST | Original file | - |
| article xml uploaded. | 18 May 2016 08:09 CEST | Original file | https://www.mdpi.com/2076-3921/5/2/16/xml |
| article pdf uploaded. | 18 May 2016 08:09 CEST | Version of Record | https://www.mdpi.com/2076-3921/5/2/16/pdf |
