| article html file updated | 7 February 2020 08:29 CET | Update | https://www.mdpi.com/2078-2489/7/2/24 |
| article html file updated | 5 May 2019 16:13 CEST | Update | - |
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| article xml uploaded. | 13 May 2016 12:51 CEST | Update | https://www.mdpi.com/2078-2489/7/2/24/xml |
| article pdf uploaded. | 13 May 2016 12:51 CEST | Updated version of record | https://www.mdpi.com/2078-2489/7/2/24/pdf |
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