| article html file updated | 6 February 2020 07:20 CET | Update | https://new.mdpi.com/1422-0067/15/2/2826 |
| article html file updated | 7 May 2019 18:31 CEST | Update | - |
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| article xml file uploaded | 20 March 2014 10:05 CET | Original file | https://new.mdpi.com/1422-0067/15/2/2826/xml |
| article pdf uploaded. | 19 February 2014 11:27 CET | Version of Record | https://new.mdpi.com/1422-0067/15/2/2826/pdf |
