| article html file updated | 30 August 2025 02:47 CEST | Update | https://www.mdpi.com/1996-1073/11/3/513 |
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| article xml uploaded. | 28 February 2018 10:19 CET | Update | https://www.mdpi.com/1996-1073/11/3/513/xml |
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| article pdf uploaded. | 28 February 2018 10:19 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/3/513/pdf |
| article pdf uploaded. | 27 February 2018 18:39 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/513/pdf-vor |
