| article html file updated | 6 February 2020 07:29 CET | Update | https://www.mdpi.com/2072-4292/6/2/1760 |
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| article xml file uploaded | 14 August 2014 12:04 CEST | Update | https://www.mdpi.com/2072-4292/6/2/1760/xml |
| article html file updated | 20 March 2014 10:28 CET | Original file | - |
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| article pdf uploaded. | 25 February 2014 10:30 CET | Updated version of record | https://www.mdpi.com/2072-4292/6/2/1760/pdf |
| article pdf uploaded. | 24 February 2014 15:23 CET | Updated version of record | - |
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