| article html file updated | 12 April 2017 04:51 CEST | Update | https://www.mdpi.com/1422-0067/14/2/4094 |
| article html file updated | 17 June 2015 06:39 CEST | Update | - |
| article html file updated | 3 December 2013 08:18 CET | Update | - |
| article xml file uploaded | 3 December 2013 08:18 CET | Update | https://www.mdpi.com/1422-0067/14/2/4094/xml |
| article html file updated | 5 March 2013 19:46 CET | Original file | - |
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| article pdf uploaded. | 18 February 2013 11:58 CET | Version of Record | https://www.mdpi.com/1422-0067/14/2/4094/pdf |
