| article html file updated | 30 August 2025 04:17 CEST | Update | https://www.mdpi.com/1996-1944/11/6/947 |
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| article pdf uploaded. | 4 June 2018 13:09 CEST | Version of Record | https://www.mdpi.com/1996-1944/11/6/947/pdf |
| article xml uploaded. | 4 June 2018 13:09 CEST | Update | https://www.mdpi.com/1996-1944/11/6/947/xml |
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