| article html file updated | 16 August 2026 02:19 CEST | Update | https://www.mdpi.com/2079-9292/8/6/661 |
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| article html file updated | 12 June 2019 11:57 CEST | Original file | N/A |
| article pdf uploaded. | 12 June 2019 11:55 CEST | Version of Record | https://www.mdpi.com/2079-9292/8/6/661/pdf |
| article xml uploaded. | 12 June 2019 11:55 CEST | Update | https://www.mdpi.com/2079-9292/8/6/661/xml |
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