| article html file updated | 7 February 2020 13:06 CET | Update | https://www.mdpi.com/2073-4352/6/8/92 |
| article html file updated | 5 May 2019 07:32 CEST | Update | - |
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| article xml uploaded. | 9 August 2016 13:41 CEST | Update | https://www.mdpi.com/2073-4352/6/8/92/xml |
| article pdf uploaded. | 9 August 2016 13:41 CEST | Version of Record | https://www.mdpi.com/2073-4352/6/8/92/pdf |
