| article html file updated | 16 August 2026 10:21 CEST | Update | https://www.mdpi.com/2227-9717/7/9/569 |
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| article html file updated | 28 August 2019 13:21 CEST | Original file | N/A |
| article pdf uploaded. | 28 August 2019 13:20 CEST | Version of Record | https://www.mdpi.com/2227-9717/7/9/569/pdf |
| article xml uploaded. | 28 August 2019 13:20 CEST | Update | https://www.mdpi.com/2227-9717/7/9/569/xml |
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