| article html file updated | 12 February 2020 06:52 CET | Update | https://www.mdpi.com/2079-9292/8/4/452 |
| article html file updated | 9 May 2019 12:30 CEST | Update | - |
| article html file updated | 25 April 2019 08:34 CEST | Update | - |
| article html file updated | 22 April 2019 07:12 CEST | Original file | - |
| article pdf uploaded. | 22 April 2019 07:10 CEST | Version of Record | https://www.mdpi.com/2079-9292/8/4/452/pdf |
| article xml uploaded. | 22 April 2019 07:10 CEST | Update | https://www.mdpi.com/2079-9292/8/4/452/xml |
| article xml file uploaded | 22 April 2019 07:10 CEST | Original file | - |
