| article html file updated | 7 February 2020 09:25 CET | Update | https://www.mdpi.com/1422-0067/17/6/835 |
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| article xml uploaded. | 27 May 2016 14:16 CEST | Original file | https://www.mdpi.com/1422-0067/17/6/835/xml |
| article pdf uploaded. | 27 May 2016 14:16 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/6/835/pdf |
