| article html file updated | 7 February 2020 10:10 CET | Update | https://www.mdpi.com/2072-4292/8/6/499 |
| article html file updated | 5 May 2019 12:57 CEST | Update | - |
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| article html file updated | 1 July 2016 11:20 CEST | Update | - |
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| article xml uploaded. | 14 June 2016 15:36 CEST | Original file | https://www.mdpi.com/2072-4292/8/6/499/xml |
| article pdf uploaded. | 14 June 2016 15:36 CEST | Version of Record | https://www.mdpi.com/2072-4292/8/6/499/pdf |
