| article html file updated | 29 August 2025 20:34 CEST | Update | https://www.mdpi.com/2071-1050/5/2/643 |
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| article html file updated | 8 February 2013 09:53 CET | Original file | N/A |
| article pdf uploaded. | 6 February 2013 11:43 CET | Version of Record | https://www.mdpi.com/2071-1050/5/2/643/pdf |
