| article html file updated | 8 February 2020 14:34 CET | Update | https://www.mdpi.com/2225-1154/5/3/66 |
| article html file updated | 26 September 2019 18:37 CEST | Update | - |
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| article html file updated | 30 September 2017 07:44 CEST | Update | - |
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| article xml uploaded. | 26 August 2017 10:29 CEST | Original file | https://www.mdpi.com/2225-1154/5/3/66/xml |
| article pdf uploaded. | 26 August 2017 10:29 CEST | Version of Record | https://www.mdpi.com/2225-1154/5/3/66/pdf |
