| article html file updated | 14 August 2026 20:34 CEST | Update | https://www.mdpi.com/1996-1073/11/1/58 |
| article html file updated | 9 February 2020 01:30 CET | Update | N/A |
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| article xml uploaded. | 29 December 2017 09:35 CET | Update | https://www.mdpi.com/1996-1073/11/1/58/xml |
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| article pdf uploaded. | 29 December 2017 09:35 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/58/pdf |
