| article html file updated | 14 August 2026 21:49 CEST | Update | https://www.mdpi.com/1996-1073/11/2/346 |
| article html file updated | 9 February 2020 05:21 CET | Update | N/A |
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| article xml uploaded. | 8 February 2018 03:32 CET | Update | https://www.mdpi.com/1996-1073/11/2/346/xml |
| article pdf uploaded. | 8 February 2018 03:32 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/346/pdf |
| article html file updated | 2 February 2018 15:13 CET | Original file | N/A |
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| article pdf uploaded. | 2 February 2018 15:12 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/346/pdf-vor |
