| article html file updated | 8 February 2020 13:39 CET | Update | https://www.mdpi.com/2227-7390/5/3/42 |
| article html file updated | 26 September 2019 13:47 CEST | Update | - |
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| article html file updated | 30 September 2017 09:16 CEST | Update | - |
| article html file updated | 17 August 2017 13:32 CEST | Original file | - |
| article xml uploaded. | 17 August 2017 13:31 CEST | Original file | https://www.mdpi.com/2227-7390/5/3/42/xml |
| article pdf uploaded. | 17 August 2017 13:31 CEST | Version of Record | https://www.mdpi.com/2227-7390/5/3/42/pdf |
