| article html file updated | 7 February 2020 07:45 CET | Update | https://www.mdpi.com/2078-2489/7/2/23 |
| article html file updated | 5 May 2019 17:38 CEST | Update | - |
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| article xml uploaded. | 26 April 2016 09:10 CEST | Original file | https://www.mdpi.com/2078-2489/7/2/23/xml |
| article pdf uploaded. | 26 April 2016 09:10 CEST | Version of Record | https://www.mdpi.com/2078-2489/7/2/23/pdf |
