| article html file updated | 14 August 2026 14:16 CEST | Update | https://www.mdpi.com/2077-0383/6/5/52 |
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| article xml uploaded. | 5 May 2017 05:59 CEST | Original file | https://www.mdpi.com/2077-0383/6/5/52/xml |
| article pdf uploaded. | 5 May 2017 05:59 CEST | Version of Record | https://www.mdpi.com/2077-0383/6/5/52/pdf |
