| article html file updated | 29 August 2025 23:28 CEST | Update | https://www.mdpi.com/1996-1073/9/8/630 |
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| article xml uploaded. | 10 August 2016 13:56 CEST | Update | https://www.mdpi.com/1996-1073/9/8/630/xml |
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| article pdf uploaded. | 10 August 2016 13:56 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/8/630/pdf |
