| article html file updated | 9 February 2020 07:43 CET | Update | https://www.mdpi.com/1996-1073/11/3/488 |
| article html file updated | 1 October 2019 01:34 CEST | Update | - |
| article html file updated | 1 May 2019 16:08 CEST | Update | - |
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| article html file updated | 27 March 2018 05:18 CEST | Update | - |
| article html file updated | 26 February 2018 16:03 CET | Original file | - |
| article xml uploaded. | 26 February 2018 16:02 CET | Update | https://www.mdpi.com/1996-1073/11/3/488/xml |
| article xml uploaded. | 26 February 2018 16:01 CET | Update | - |
| article xml uploaded. | 26 February 2018 16:01 CET | Original file | - |
| article pdf uploaded. | 26 February 2018 16:01 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/488/pdf |
