| article html file updated | 9 February 2020 17:55 CET | Update | https://www.mdpi.com/2076-3921/7/5/67 |
| article html file updated | 3 October 2019 16:17 CEST | Update | - |
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| article html file updated | 30 May 2018 11:49 CEST | Update | - |
| article html file updated | 17 May 2018 07:34 CEST | Original file | - |
| article pdf uploaded. | 17 May 2018 07:33 CEST | Version of Record | https://www.mdpi.com/2076-3921/7/5/67/pdf |
| article xml uploaded. | 17 May 2018 07:33 CEST | Update | https://www.mdpi.com/2076-3921/7/5/67/xml |
| article xml file uploaded | 17 May 2018 07:33 CEST | Original file | - |
