| article html file updated | 7 February 2020 19:50 CET | Update | https://www.mdpi.com/1422-0067/17/12/2129 |
| article html file updated | 22 September 2019 12:39 CEST | Update | - |
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| article html file updated | 27 December 2016 11:19 CET | Update | - |
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| article xml uploaded. | 17 December 2016 05:31 CET | Original file | https://www.mdpi.com/1422-0067/17/12/2129/xml |
| article pdf uploaded. | 17 December 2016 05:31 CET | Version of Record | https://www.mdpi.com/1422-0067/17/12/2129/pdf |
