| article html file updated | 11 February 2020 17:15 CET | Update | https://www.mdpi.com/2218-273X/9/2/72 |
| article html file updated | 15 October 2019 07:07 CEST | Update | N/A |
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| article html file updated | 20 February 2019 11:38 CET | Update | N/A |
| article xml uploaded. | 20 February 2019 11:36 CET | Update | https://www.mdpi.com/2218-273X/9/2/72/xml |
| article pdf uploaded. | 20 February 2019 11:36 CET | Updated version of record | https://www.mdpi.com/2218-273X/9/2/72/pdf |
| article xml file uploaded | 20 February 2019 11:36 CET | Update | N/A |
| article html file updated | 19 February 2019 20:38 CET | Original file | N/A |
| article pdf uploaded. | 19 February 2019 20:36 CET | Updated version of record | https://www.mdpi.com/2218-273X/9/2/72/pdf-vor |
| article xml uploaded. | 19 February 2019 20:36 CET | Update | N/A |
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| article xml file uploaded | 19 February 2019 18:43 CET | Original file | N/A |
| article pdf uploaded. | 19 February 2019 18:43 CET | Version of Record | https://www.mdpi.com/2218-273X/9/2/72/pdf-vor |
