| article html file updated | 6 February 2020 00:45 CET | Update | https://www.mdpi.com/1422-0067/14/3/4841 |
| article html file updated | 8 May 2019 07:54 CEST | Update | - |
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| article xml file uploaded | 21 May 2013 09:12 CEST | Update | https://www.mdpi.com/1422-0067/14/3/4841/xml |
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| article html file updated | 9 April 2013 15:34 CEST | Original file | - |
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| article pdf uploaded. | 1 March 2013 13:20 CET | Version of Record | https://www.mdpi.com/1422-0067/14/3/4841/pdf |