| article html file updated | 10 February 2020 19:02 CET | Update | https://www.mdpi.com/2225-1154/6/4/88 |
| article html file updated | 9 October 2019 20:49 CEST | Update | - |
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| article html file updated | 2 November 2018 10:59 CET | Update | - |
| article xml uploaded. | 2 November 2018 10:58 CET | Update | https://www.mdpi.com/2225-1154/6/4/88/xml |
| article pdf uploaded. | 2 November 2018 10:58 CET | Updated version of record | https://www.mdpi.com/2225-1154/6/4/88/pdf |
| article html file updated | 1 November 2018 10:20 CET | Update | - |
| article pdf uploaded. | 1 November 2018 10:19 CET | Updated version of record | https://www.mdpi.com/2225-1154/6/4/88/pdf-vor |
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| article pdf uploaded. | 1 November 2018 09:05 CET | Version of Record | https://www.mdpi.com/2225-1154/6/4/88/pdf-vor |
| article xml uploaded. | 1 November 2018 09:05 CET | Original file | - |
