| article html file updated | 14 August 2026 20:08 CEST | Update | https://www.mdpi.com/1996-1073/10/12/2134 |
| article html file updated | 9 February 2020 00:07 CET | Update | N/A |
| article html file updated | 29 September 2019 05:26 CEST | Update | N/A |
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| article html file updated | 14 December 2017 16:02 CET | Original file | N/A |
| article xml uploaded. | 14 December 2017 16:01 CET | Update | https://www.mdpi.com/1996-1073/10/12/2134/xml |
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| article pdf uploaded. | 14 December 2017 16:01 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2134/pdf |
