| article html file updated | 13 August 2026 17:15 CEST | Update | https://www.mdpi.com/2072-6643/7/4/2274 |
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| article html file updated | 13 April 2015 12:20 CEST | Original file | N/A |
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| article pdf uploaded. | 10 April 2015 10:16 CEST | Updated version of record | https://www.mdpi.com/2072-6643/7/4/2274/pdf |
| article pdf uploaded. | 31 March 2015 13:26 CEST | Version of Record | https://www.mdpi.com/2072-6643/7/4/2274/pdf-vor |
