| article html file updated | 11 February 2020 17:10 CET | Update | https://new.mdpi.com/2227-7390/7/2/196 |
| article html file updated | 26 April 2019 14:25 CEST | Update | - |
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| article pdf uploaded. | 19 February 2019 14:05 CET | Version of Record | https://new.mdpi.com/2227-7390/7/2/196/pdf |
| article xml uploaded. | 19 February 2019 14:05 CET | Update | https://new.mdpi.com/2227-7390/7/2/196/xml |
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