| article html file updated | 14 August 2026 18:27 CEST | Update | https://www.mdpi.com/2071-1050/9/10/1897 |
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| article xml uploaded. | 21 October 2017 11:40 CEST | Update | https://www.mdpi.com/2071-1050/9/10/1897/xml |
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| article pdf uploaded. | 21 October 2017 11:40 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/10/1897/pdf |
