| article html file updated | 29 August 2025 21:17 CEST | Update | https://www.mdpi.com/2076-3263/4/4/269 |
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| article html file updated | 19 October 2014 15:58 CEST | Original file | N/A |
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| article pdf uploaded. | 16 October 2014 15:18 CEST | Version of Record | https://www.mdpi.com/2076-3263/4/4/269/pdf |
