| article html file updated | 15 August 2026 00:45 CEST | Update | https://www.mdpi.com/1996-1073/11/4/989 |
| article html file updated | 9 February 2020 14:29 CET | Update | N/A |
| article html file updated | 2 October 2019 18:46 CEST | Update | N/A |
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| article html file updated | 1 May 2018 09:54 CEST | Update | N/A |
| article html file updated | 19 April 2018 11:37 CEST | Original file | N/A |
| article pdf uploaded. | 19 April 2018 11:36 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/989/pdf |
| article xml uploaded. | 19 April 2018 11:36 CEST | Update | https://www.mdpi.com/1996-1073/11/4/989/xml |
| article xml file uploaded | 19 April 2018 11:36 CEST | Original file | N/A |
