| article html file updated | 8 February 2020 06:09 CET | Update | https://www.mdpi.com/2073-4344/7/5/159 |
| article html file updated | 24 September 2019 21:29 CEST | Update | - |
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| article html file updated | 31 May 2017 06:27 CEST | Update | - |
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| article html file updated | 18 May 2017 14:04 CEST | Original file | - |
| article xml uploaded. | 18 May 2017 14:03 CEST | Update | https://www.mdpi.com/2073-4344/7/5/159/xml |
| article pdf uploaded. | 18 May 2017 14:03 CEST | Version of Record | https://www.mdpi.com/2073-4344/7/5/159/pdf |
