| article html file updated | 8 February 2020 16:07 CET | Update | https://www.mdpi.com/2079-3197/5/3/40 |
| article html file updated | 27 September 2019 03:04 CEST | Update | - |
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| article html file updated | 30 September 2017 11:56 CEST | Update | - |
| article html file updated | 13 September 2017 14:53 CEST | Original file | - |
| article xml uploaded. | 13 September 2017 14:52 CEST | Original file | https://www.mdpi.com/2079-3197/5/3/40/xml |
| article pdf uploaded. | 13 September 2017 14:52 CEST | Version of Record | https://www.mdpi.com/2079-3197/5/3/40/pdf |
