| article html file updated | 8 February 2020 21:40 CET | Update | https://www.mdpi.com/2304-8158/6/11/102 |
| article html file updated | 2 May 2019 13:56 CEST | Update | - |
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| article html file updated | 30 November 2017 10:30 CET | Update | - |
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| article xml uploaded. | 20 November 2017 10:11 CET | Original file | https://www.mdpi.com/2304-8158/6/11/102/xml |
| article pdf uploaded. | 20 November 2017 10:11 CET | Version of Record | https://www.mdpi.com/2304-8158/6/11/102/pdf |
