| article html file updated | 15 August 2026 17:36 CEST | Update | https://www.mdpi.com/1996-1073/12/4/715 |
| article html file updated | 11 February 2020 17:50 CET | Update | N/A |
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| article html file updated | 22 February 2019 05:35 CET | Original file | N/A |
| article pdf uploaded. | 22 February 2019 05:31 CET | Version of Record | https://www.mdpi.com/1996-1073/12/4/715/pdf |
| article xml uploaded. | 22 February 2019 05:31 CET | Update | https://www.mdpi.com/1996-1073/12/4/715/xml |
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