| article html file updated | 6 February 2020 10:25 CET | Update | https://www.mdpi.com/1420-3049/19/7/9307 |
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| article xml file uploaded | 13 August 2014 11:15 CEST | Original file | https://www.mdpi.com/1420-3049/19/7/9307/xml |
| article pdf uploaded. | 2 July 2014 13:33 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/7/9307/pdf |