| article html file updated | 8 February 2020 02:16 CET | Update | https://www.mdpi.com/2225-1154/5/2/25 |
| article html file updated | 24 September 2019 00:21 CEST | Update | - |
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| article xml uploaded. | 25 March 2017 11:18 CET | Original file | https://www.mdpi.com/2225-1154/5/2/25/xml |
| article pdf uploaded. | 25 March 2017 11:18 CET | Version of Record | https://www.mdpi.com/2225-1154/5/2/25/pdf |
