| article html file updated | 12 February 2020 22:21 CET | Update | https://www.mdpi.com/2226-471X/4/3/47 |
| article html file updated | 27 June 2019 08:42 CEST | Original file | - |
| article pdf uploaded. | 27 June 2019 08:41 CEST | Version of Record | https://www.mdpi.com/2226-471X/4/3/47/pdf |
| article xml uploaded. | 27 June 2019 08:41 CEST | Update | https://www.mdpi.com/2226-471X/4/3/47/xml |
| article xml file uploaded | 27 June 2019 08:41 CEST | Original file | - |
