| article html file updated | 6 February 2020 10:04 CET | Update | https://www.mdpi.com/1420-3049/19/6/8303 |
| article html file updated | 20 September 2019 09:26 CEST | Update | - |
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| article xml file uploaded | 1 July 2014 05:31 CEST | Original file | https://www.mdpi.com/1420-3049/19/6/8303/xml |
| article pdf uploaded. | 19 June 2014 10:03 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/6/8303/pdf |
