| article html file updated | 8 February 2020 23:29 CET | Update | https://www.mdpi.com/2227-7390/5/4/76 |
| article html file updated | 2 May 2019 09:54 CEST | Update | - |
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| article xml uploaded. | 8 December 2017 07:29 CET | Original file | https://www.mdpi.com/2227-7390/5/4/76/xml |
| article pdf uploaded. | 8 December 2017 07:29 CET | Version of Record | https://www.mdpi.com/2227-7390/5/4/76/pdf |
