| article html file updated | 15 August 2026 16:16 CEST | Update | https://www.mdpi.com/2073-4360/11/2/260 |
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| article pdf uploaded. | 18 February 2019 10:20 CET | Updated version of record | https://www.mdpi.com/2073-4360/11/2/260/pdf |
| article xml uploaded. | 18 February 2019 10:20 CET | Update | https://www.mdpi.com/2073-4360/11/2/260/xml |
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| article pdf uploaded. | 4 February 2019 09:56 CET | Updated version of record | https://www.mdpi.com/2073-4360/11/2/260/pdf-vor |
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