| article html file updated | 14 August 2026 16:47 CEST | Update | https://www.mdpi.com/2073-8994/9/8/161 |
| article html file updated | 8 February 2020 13:48 CET | Update | N/A |
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| article xml uploaded. | 18 August 2017 11:11 CEST | Original file | https://www.mdpi.com/2073-8994/9/8/161/xml |
| article pdf uploaded. | 18 August 2017 11:11 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/8/161/pdf |
| article pdf uploaded. | 17 August 2017 15:54 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/8/161/pdf-vor |
