| article html file updated | 7 February 2020 08:50 CET | Update | https://www.mdpi.com/2075-4701/6/5/116 |
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| article xml uploaded. | 17 May 2016 14:30 CEST | Update | https://www.mdpi.com/2075-4701/6/5/116/xml |
| article pdf uploaded. | 17 May 2016 14:30 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/5/116/pdf |