| article html file updated | 7 February 2020 12:23 CET | Update | https://www.mdpi.com/2079-9268/6/3/13 |
| article html file updated | 5 May 2019 08:54 CEST | Update | N/A |
| article html file updated | 27 March 2019 11:33 CET | Update | N/A |
| article html file updated | 27 July 2016 11:48 CEST | Original file | N/A |
| article xml uploaded. | 27 July 2016 11:37 CEST | Original file | https://www.mdpi.com/2079-9268/6/3/13/xml |
| article pdf uploaded. | 27 July 2016 11:37 CEST | Version of Record | https://www.mdpi.com/2079-9268/6/3/13/pdf |
