| article html file updated | 17 September 2018 05:58 CEST | Update | https://www.mdpi.com/1420-3049/21/9/1104 |
| article html file updated | 29 September 2016 08:16 CEST | Update | - |
| article html file updated | 23 August 2016 12:50 CEST | Original file | - |
| article xml uploaded. | 23 August 2016 12:49 CEST | Update | https://www.mdpi.com/1420-3049/21/9/1104/xml |
| article xml uploaded. | 23 August 2016 12:49 CEST | Original file | - |
| article pdf uploaded. | 23 August 2016 12:49 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/9/1104/pdf |
