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| article html file updated | 30 August 2025 01:23 CEST | Update | N/A |
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| article html file updated | 11 October 2017 16:59 CEST | Original file | N/A |
| article xml uploaded. | 11 October 2017 16:57 CEST | Update | https://www.mdpi.com/2073-8994/9/10/222/xml |
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| article pdf uploaded. | 11 October 2017 16:57 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/10/222/pdf |
