| article html file updated | 7 February 2020 09:04 CET | Update | https://www.mdpi.com/2075-4701/6/5/120 |
| article html file updated | 5 May 2019 15:06 CEST | Update | - |
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| article xml uploaded. | 20 May 2016 15:46 CEST | Original file | https://www.mdpi.com/2075-4701/6/5/120/xml |
| article pdf uploaded. | 20 May 2016 15:46 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/5/120/pdf |
