| article html file updated | 7 February 2020 08:15 CET | Update | https://www.mdpi.com/2075-4701/6/5/106 |
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| article xml uploaded. | 6 May 2016 11:16 CEST | Original file | https://www.mdpi.com/2075-4701/6/5/106/xml |
| article pdf uploaded. | 6 May 2016 11:16 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/5/106/pdf |