| article html file updated | 7 February 2020 19:31 CET | Update | https://www.mdpi.com/2073-4441/8/12/590 |
| article html file updated | 22 September 2019 10:55 CEST | Update | - |
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| article html file updated | 27 December 2016 11:50 CET | Update | - |
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| article xml uploaded. | 13 December 2016 08:24 CET | Original file | https://www.mdpi.com/2073-4441/8/12/590/xml |
| article pdf uploaded. | 13 December 2016 08:24 CET | Version of Record | https://www.mdpi.com/2073-4441/8/12/590/pdf |
