| article html file updated | 7 February 2020 12:14 CET | Update | https://www.mdpi.com/2079-9284/3/3/27 |
| article html file updated | 5 May 2019 09:10 CEST | Update | N/A |
| article html file updated | 27 March 2019 11:18 CET | Update | N/A |
| article html file updated | 25 July 2016 08:32 CEST | Original file | N/A |
| article xml uploaded. | 25 July 2016 08:31 CEST | Original file | https://www.mdpi.com/2079-9284/3/3/27/xml |
| article pdf uploaded. | 25 July 2016 08:31 CEST | Version of Record | https://www.mdpi.com/2079-9284/3/3/27/pdf |
