| article html file updated | 8 February 2020 07:13 CET | Update | https://www.mdpi.com/2071-1050/9/6/895 |
| article html file updated | 25 September 2019 02:57 CEST | Update | - |
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| article html file updated | 28 June 2017 14:32 CEST | Update | - |
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| article xml uploaded. | 2 June 2017 05:45 CEST | Original file | https://www.mdpi.com/2071-1050/9/6/895/xml |
| article pdf uploaded. | 2 June 2017 05:45 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/895/pdf |
