| article html file updated | 9 February 2020 10:44 CET | Update | https://www.mdpi.com/2076-3417/8/4/479 |
| article html file updated | 1 October 2019 20:28 CEST | Update | - |
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| article html file updated | 2 May 2018 14:59 CEST | Update | - |
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| article html file updated | 22 March 2018 02:29 CET | Original file | - |
| article xml uploaded. | 22 March 2018 02:27 CET | Update | https://www.mdpi.com/2076-3417/8/4/479/xml |
| article pdf uploaded. | 22 March 2018 02:27 CET | Version of Record | https://www.mdpi.com/2076-3417/8/4/479/pdf |
