| article html file updated | 14 August 2026 14:34 CEST | Update | https://www.mdpi.com/2072-6643/9/5/509 |
| article html file updated | 8 February 2020 06:08 CET | Update | N/A |
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| article xml uploaded. | 18 May 2017 11:16 CEST | Original file | https://www.mdpi.com/2072-6643/9/5/509/xml |
| article pdf uploaded. | 18 May 2017 11:16 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/5/509/pdf |
