| article html file updated | 13 February 2020 09:57 CET | Update | https://www.mdpi.com/2226-471X/4/3/63 |
| article html file updated | 15 August 2019 10:37 CEST | Original file | - |
| article pdf uploaded. | 15 August 2019 10:36 CEST | Version of Record | https://www.mdpi.com/2226-471X/4/3/63/pdf |
| article xml uploaded. | 15 August 2019 10:36 CEST | Update | https://www.mdpi.com/2226-471X/4/3/63/xml |
| article xml file uploaded | 15 August 2019 10:36 CEST | Original file | - |
