| article html file updated | 7 February 2020 10:02 CET | Update | https://www.mdpi.com/1420-3049/21/6/762 |
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| article xml uploaded. | 10 June 2016 12:47 CEST | Original file | https://www.mdpi.com/1420-3049/21/6/762/xml |
| article pdf uploaded. | 10 June 2016 12:47 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/762/pdf |