| article html file updated | 7 February 2020 17:11 CET | Update | https://www.mdpi.com/2304-6732/3/4/54 |
| article html file updated | 5 May 2019 00:04 CEST | Update | - |
| article html file updated | 28 December 2016 11:34 CET | Update | - |
| article html file updated | 29 October 2016 04:36 CEST | Original file | - |
| article xml uploaded. | 29 October 2016 04:35 CEST | Update | https://www.mdpi.com/2304-6732/3/4/54/xml |
| article xml uploaded. | 29 October 2016 04:35 CEST | Original file | - |
| article pdf uploaded. | 29 October 2016 04:35 CEST | Version of Record | https://www.mdpi.com/2304-6732/3/4/54/pdf |
