| article html file updated | 8 February 2020 01:52 CET | Update | https://www.mdpi.com/2079-4991/7/3/71 |
| article html file updated | 23 September 2019 22:11 CEST | Update | - |
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| article xml uploaded. | 21 March 2017 10:04 CET | Update | https://www.mdpi.com/2079-4991/7/3/71/xml |
| article pdf uploaded. | 21 March 2017 10:04 CET | Version of Record | https://www.mdpi.com/2079-4991/7/3/71/pdf |
