| article html file updated | 31 August 2025 05:38 CEST | Update | https://www.mdpi.com/2227-9717/7/12/918 |
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| article pdf uploaded. | 3 December 2019 15:12 CET | Version of Record | https://www.mdpi.com/2227-9717/7/12/918/pdf |
| article xml uploaded. | 3 December 2019 15:12 CET | Update | https://www.mdpi.com/2227-9717/7/12/918/xml |
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